55804364 has 24 divisors (see below), whose sum is σ = 121755648. Its totient is φ = 21741840.

The previous prime is 55804361. The next prime is 55804373. The reversal of 55804364 is 46340855.

It is a super-2 number, since 2×55804364² = 6228254082888992, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55804361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90284 + ... + 90899.

It is an arithmetic number, because the mean of its divisors is an integer number (5073152).

Almost surely, 2^55804364 is an apocalyptic number.

It is an amenable number.

55804364 is an abundant number, since it is smaller than the sum of its proper divisors (65951284).

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

55804364 is a wasteful number, since it uses less digits than its factorization.

55804364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181205 (or 181203 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 55804364 is about 7470.2318571782. The cubic root of 55804364 is about 382.1401950627.

The spelling of 55804364 in words is "fifty-five million, eight hundred four thousand, three hundred sixty-four".