55793688 has 32 divisors (see below), whose sum is σ = 139734960. Its totient is φ = 18564480.

The previous prime is 55793687. The next prime is 55793693. The reversal of 55793688 is 88639755.

It is a super-2 number, since 2×55793688² = 6225871241282688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55793688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55793687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14106 + ... + 17622.

Almost surely, 2^55793688 is an apocalyptic number.

It is an amenable number.

55793688 is an abundant number, since it is smaller than the sum of its proper divisors (83941272).

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

55793688 is a wasteful number, since it uses less digits than its factorization.

55793688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187 (or 4183 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 51.

The square root of 55793688 is about 7469.5172534776. The cubic root of 55793688 is about 382.1158242751.

The spelling of 55793688 in words is "fifty-five million, seven hundred ninety-three thousand, six hundred eighty-eight".