55951728926 has 16 divisors (see below), whose sum is σ = 85067505600. Its totient is φ = 27598135968.

The previous prime is 55951728919. The next prime is 55951728977. The reversal of 55951728926 is 62982715955.

It is a super-2 number, since 2×55951728926² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510470 + ... + 610313.

It is an arithmetic number, because the mean of its divisors is an integer number (5316719100).

Almost surely, 2^55951728926 is an apocalyptic number.

55951728926 is a deficient number, since it is larger than the sum of its proper divisors (29115776674).

55951728926 is a wasteful number, since it uses less digits than its factorization.

55951728926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121123.

The product of its digits is 13608000, while the sum is 59.

The spelling of 55951728926 in words is "fifty-five billion, nine hundred fifty-one million, seven hundred twenty-eight thousand, nine hundred twenty-six".