55868340 has 48 divisors (see below), whose sum is σ = 170654400. Its totient is φ = 13543680.

The previous prime is 55868327. The next prime is 55868387. The reversal of 55868340 is 4386855.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41665 + ... + 42984.

It is an arithmetic number, because the mean of its divisors is an integer number (3555300).

Almost surely, 2^55868340 is an apocalyptic number.

It is an amenable number.

55868340 is an abundant number, since it is smaller than the sum of its proper divisors (114786060).

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

55868340 is a wasteful number, since it uses less digits than its factorization.

55868340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84672 (or 84670 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 55868340 is about 7474.5126931460. The cubic root of 55868340 is about 382.2861720839.

The spelling of 55868340 in words is "fifty-five million, eight hundred sixty-eight thousand, three hundred forty".