55887574 has 8 divisors (see below), whose sum is σ = 83876760. Its totient is φ = 27928656.

The previous prime is 55887563. The next prime is 55887577. The reversal of 55887574 is 47578855.

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 (55887577) 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, 2184 + ... + 10795.

It is an arithmetic number, because the mean of its divisors is an integer number (10484595).

Almost surely, 2^55887574 is an apocalyptic number.

55887574 is a deficient number, since it is larger than the sum of its proper divisors (27989186).

55887574 is a wasteful number, since it uses less digits than its factorization.

55887574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15134.

The product of its digits is 1568000, while the sum is 49.

The square root of 55887574 is about 7475.7992214880. The cubic root of 55887574 is about 382.3300374084.

The spelling of 55887574 in words is "fifty-five million, eight hundred eighty-seven thousand, five hundred seventy-four".