55584531 has 6 divisors (see below), whose sum is σ = 80288780. Its totient is φ = 37056348.

The previous prime is 55584527. The next prime is 55584541. The reversal of 55584531 is 13548555.

It is a happy number.

It is not a de Polignac number, because 55584531 - 2² = 55584527 is a prime.

It is a super-2 number, since 2×55584531² = 6179280172979922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55584511) 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 5 ways as a sum of consecutive naturals, for example, 3088021 + ... + 3088038.

Almost surely, 2^55584531 is an apocalyptic number.

55584531 is a deficient number, since it is larger than the sum of its proper divisors (24704249).

55584531 is a wasteful number, since it uses less digits than its factorization.

55584531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6176065 (or 6176062 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 55584531 is about 7455.5034035268. The cubic root of 55584531 is about 381.6377398628.

The spelling of 55584531 in words is "fifty-five million, five hundred eighty-four thousand, five hundred thirty-one".