1056233655 has 48 divisors (see below), whose sum is σ = 1981870560. Its totient is φ = 533651328.

The previous prime is 1056233593. The next prime is 1056233657. The reversal of 1056233655 is 5563326501.

1056233655 is a `hidden beast` number, since 1 + 0 + 562 + 33 + 65 + 5 = 666.

It is not a de Polignac number, because 1056233655 - 2⁷ = 1056233527 is a prime.

It is a super-2 number, since 2×1056233655² = 2231259067909318050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056233657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37899 + ... + 59571.

It is an arithmetic number, because the mean of its divisors is an integer number (41288970).

Almost surely, 2^1056233655 is an apocalyptic number.

1056233655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1056233655 is a deficient number, since it is larger than the sum of its proper divisors (925636905).

1056233655 is a wasteful number, since it uses less digits than its factorization.

1056233655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21725 (or 21700 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 1056233655 is about 32499.7485374887. The cubic root of 1056233655 is about 1018.4037749544.

It can be divided in two parts, 105623 and 3655, that added together give a triangular number (109278 = T₄₆₇).

The spelling of 1056233655 in words is "one billion, fifty-six million, two hundred thirty-three thousand, six hundred fifty-five".