55465830 has 64 divisors (see below), whose sum is σ = 169044480. Its totient is φ = 12677472.

The previous prime is 55465801. The next prime is 55465847. The reversal of 55465830 is 3856455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12784 + ... + 16563.

It is an arithmetic number, because the mean of its divisors is an integer number (2641320).

Almost surely, 2^55465830 is an apocalyptic number.

55465830 is an abundant number, since it is smaller than the sum of its proper divisors (113578650).

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

55465830 is a wasteful number, since it uses less digits than its factorization.

55465830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29370 (or 29364 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 55465830 is about 7447.5385195378. The cubic root of 55465830 is about 381.3658832537.

The spelling of 55465830 in words is "fifty-five million, four hundred sixty-five thousand, eight hundred thirty".