55807296 has 28 divisors (see below), whose sum is σ = 147657312. Its totient is φ = 18602368.

The previous prime is 55807231. The next prime is 55807303. The reversal of 55807296 is 69270855.

It is a super-2 number, since 2×55807296² = 6228908573663232, which 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145140 + ... + 145523.

Almost surely, 2^55807296 is an apocalyptic number.

It is an amenable number.

55807296 is an abundant number, since it is smaller than the sum of its proper divisors (91850016).

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

55807296 is a wasteful number, since it uses less digits than its factorization.

55807296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290678 (or 290668 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 55807296 is about 7470.4281001827. The cubic root of 55807296 is about 382.1468875825.

The spelling of 55807296 in words is "fifty-five million, eight hundred seven thousand, two hundred ninety-six".