55288792 has 16 divisors (see below), whose sum is σ = 111641040. Its totient is φ = 25517856.

The previous prime is 55288789. The next prime is 55288799. The reversal of 55288792 is 29788255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55288799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265708 + ... + 265915.

It is an arithmetic number, because the mean of its divisors is an integer number (6977565).

Almost surely, 2^55288792 is an apocalyptic number.

55288792 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55288792 is an abundant number, since it is smaller than the sum of its proper divisors (56352248).

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

55288792 is a wasteful number, since it uses less digits than its factorization.

55288792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531642 (or 531638 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The square root of 55288792 is about 7435.6433480903. The cubic root of 55288792 is about 380.9596979527.

The spelling of 55288792 in words is "fifty-five million, two hundred eighty-eight thousand, seven hundred ninety-two".