55400584 has 16 divisors (see below), whose sum is σ = 104575500. Its totient is φ = 27513792.

The previous prime is 55400573. The next prime is 55400617. The reversal of 55400584 is 48500455.

55400584 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 48692484 + 6708100 = 6978^2 + 2590^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22047 + ... + 24430.

Almost surely, 2^55400584 is an apocalyptic number.

It is an amenable number.

55400584 is a deficient number, since it is larger than the sum of its proper divisors (49174916).

55400584 is a wasteful number, since it uses less digits than its factorization.

55400584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46632 (or 46628 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 55400584 is about 7443.1568571407. The cubic root of 55400584 is about 381.2162874786.

The spelling of 55400584 in words is "fifty-five million, four hundred thousand, five hundred eighty-four".