55404536 has 32 divisors (see below), whose sum is σ = 113633280. Its totient is φ = 25116000.

The previous prime is 55404527. The next prime is 55404541. The reversal of 55404536 is 63540455.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47561 + ... + 48711.

It is an arithmetic number, because the mean of its divisors is an integer number (3551040).

Almost surely, 2^55404536 is an apocalyptic number.

It is an amenable number.

55404536 is an abundant number, since it is smaller than the sum of its proper divisors (58228744).

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

55404536 is a wasteful number, since it uses less digits than its factorization.

55404536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 55404536 is about 7443.4223311592. The cubic root of 55404536 is about 381.2253519495.

The spelling of 55404536 in words is "fifty-five million, four hundred four thousand, five hundred thirty-six".