55804412 has 24 divisors (see below), whose sum is σ = 99555456. Its totient is φ = 27364608.

The previous prime is 55804409. The next prime is 55804429. The reversal of 55804412 is 21440855.

It is a super-2 number, since 2×55804412² = 6228264797331488, 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, 64688 + ... + 65544.

It is an arithmetic number, because the mean of its divisors is an integer number (4148144).

Almost surely, 2^55804412 is an apocalyptic number.

It is an amenable number.

55804412 is a deficient number, since it is larger than the sum of its proper divisors (43751044).

55804412 is a wasteful number, since it uses less digits than its factorization.

55804412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 55804412 is about 7470.2350699292. The cubic root of 55804412 is about 382.1403046284.

The spelling of 55804412 in words is "fifty-five million, eight hundred four thousand, four hundred twelve".