55762380 has 72 divisors (see below), whose sum is σ = 179105472. Its totient is φ = 13994496.

The previous prime is 55762319. The next prime is 55762409. The reversal of 55762380 is 8326755.

55762380 is a `hidden beast` number, since 5 + 576 + 2 + 3 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6052 + ... + 12171.

It is an arithmetic number, because the mean of its divisors is an integer number (2487576).

Almost surely, 2^55762380 is an apocalyptic number.

It is an amenable number.

55762380 is an abundant number, since it is smaller than the sum of its proper divisors (123343092).

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

55762380 is a wasteful number, since it uses less digits than its factorization.

55762380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18255 (or 18250 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 55762380 is about 7467.4212416336. The cubic root of 55762380 is about 382.0443375709.

The spelling of 55762380 in words is "fifty-five million, seven hundred sixty-two thousand, three hundred eighty".