55792770 has 32 divisors (see below), whose sum is σ = 146076480. Its totient is φ = 13525440.

The previous prime is 55792753. The next prime is 55792771. The reversal of 55792770 is 7729755.

It is a super-2 number, since 2×55792770² = 6225666368545800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55792771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84205 + ... + 84864.

It is an arithmetic number, because the mean of its divisors is an integer number (4564890).

Almost surely, 2^55792770 is an apocalyptic number.

55792770 is an abundant number, since it is smaller than the sum of its proper divisors (90283710).

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

55792770 is a wasteful number, since it uses less digits than its factorization.

55792770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169090.

The product of its (nonzero) digits is 154350, while the sum is 42.

The square root of 55792770 is about 7469.4558034706. The cubic root of 55792770 is about 382.1137285527.

The spelling of 55792770 in words is "fifty-five million, seven hundred ninety-two thousand, seven hundred seventy".