55645596 has 24 divisors (see below), whose sum is σ = 144266640. Its totient is φ = 18548496.

The previous prime is 55645591. The next prime is 55645621. The reversal of 55645596 is 69554655.

55645596 is a `hidden beast` number, since 5 + 56 + 4 + 5 + 596 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55645591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257511 + ... + 257726.

It is an arithmetic number, because the mean of its divisors is an integer number (6011110).

Almost surely, 2^55645596 is an apocalyptic number.

It is an amenable number.

55645596 is an abundant number, since it is smaller than the sum of its proper divisors (88621044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55645596 is a wasteful number, since it uses less digits than its factorization.

55645596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515250 (or 515242 counting only the distinct ones).

The product of its digits is 810000, while the sum is 45.

The square root of 55645596 is about 7459.5975762772. The cubic root of 55645596 is about 381.7774440767. Note that the first 3 decimals are identical.

The spelling of 55645596 in words is "fifty-five million, six hundred forty-five thousand, five hundred ninety-six".