55500474 has 16 divisors (see below), whose sum is σ = 112883040. Its totient is φ = 18186480.

The previous prime is 55500469. The next prime is 55500493. The reversal of 55500474 is 47400555.

It is a super-2 number, since 2×55500474² = 6160605228449352, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78037 + ... + 78744.

It is an arithmetic number, because the mean of its divisors is an integer number (7055190).

Almost surely, 2^55500474 is an apocalyptic number.

55500474 is an abundant number, since it is smaller than the sum of its proper divisors (57382566).

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

55500474 is a wasteful number, since it uses less digits than its factorization.

55500474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156845.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 55500474 is about 7449.8640256048. The cubic root of 55500474 is about 381.4452672027.

The spelling of 55500474 in words is "fifty-five million, five hundred thousand, four hundred seventy-four".