55987574 has 8 divisors (see below), whose sum is σ = 86877360. Its totient is φ = 27028456.

The previous prime is 55987573. The next prime is 55987577. The reversal of 55987574 is 47578955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55987573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482594 + ... + 482709.

It is an arithmetic number, because the mean of its divisors is an integer number (10859670).

Almost surely, 2^55987574 is an apocalyptic number.

55987574 is a deficient number, since it is larger than the sum of its proper divisors (30889786).

55987574 is a wasteful number, since it uses less digits than its factorization.

55987574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965334.

The product of its digits is 1764000, while the sum is 50.

The square root of 55987574 is about 7482.4844804383. The cubic root of 55987574 is about 382.5579367435.

The spelling of 55987574 in words is "fifty-five million, nine hundred eighty-seven thousand, five hundred seventy-four".