55796216 has 16 divisors (see below), whose sum is σ = 119563440. Its totient is φ = 23912640.

The previous prime is 55796197. The next prime is 55796219. The reversal of 55796216 is 61269755.

It is a super-2 number, since 2×55796216² = 6226435439837312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55796219) 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, 498125 + ... + 498236.

It is an arithmetic number, because the mean of its divisors is an integer number (7472715).

Almost surely, 2^55796216 is an apocalyptic number.

55796216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55796216 is an abundant number, since it is smaller than the sum of its proper divisors (63767224).

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

55796216 is a wasteful number, since it uses less digits than its factorization.

55796216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996374 (or 996370 counting only the distinct ones).

The product of its digits is 113400, while the sum is 41.

The square root of 55796216 is about 7469.6864726707. The cubic root of 55796216 is about 382.1215953832.

The spelling of 55796216 in words is "fifty-five million, seven hundred ninety-six thousand, two hundred sixteen".