55768912 has 30 divisors (see below), whose sum is σ = 109475198. Its totient is φ = 27520896.

The previous prime is 55768903. The next prime is 55768919. The reversal of 55768912 is 21986755.

It can be written as a sum of positive squares in 3 ways, for example, as 1245456 + 54523456 = 1116^2 + 7384^2 .

It is a super-2 number, since 2×55768912² = 6220343091327488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55768919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355138 + ... + 355294.

Almost surely, 2^55768912 is an apocalyptic number.

It is an amenable number.

55768912 is a deficient number, since it is larger than the sum of its proper divisors (53706286).

55768912 is a wasteful number, since it uses less digits than its factorization.

55768912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 308 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 55768912 is about 7467.8585953404. The cubic root of 55768912 is about 382.0592545345.

The spelling of 55768912 in words is "fifty-five million, seven hundred sixty-eight thousand, nine hundred twelve".