55768404 has 24 divisors (see below), whose sum is σ = 131470528. Its totient is φ = 18397440.

The previous prime is 55768397. The next prime is 55768417. The reversal of 55768404 is 40486755.

It is a super-2 number, since 2×55768404² = 6220229769414432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22792 + ... + 25119.

Almost surely, 2^55768404 is an apocalyptic number.

It is an amenable number.

55768404 is an abundant number, since it is smaller than the sum of its proper divisors (75702124).

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

55768404 is a wasteful number, since it uses less digits than its factorization.

55768404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48015 (or 48013 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 55768404 is about 7467.8245828354. The cubic root of 55768404 is about 382.0580944695.

The spelling of 55768404 in words is "fifty-five million, seven hundred sixty-eight thousand, four hundred four".