55578574 has 8 divisors (see below), whose sum is σ = 83519208. Its totient is φ = 27738840.

The previous prime is 55578547. The next prime is 55578613. The reversal of 55578574 is 47587555.

55578574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23832 + ... + 26059.

It is an arithmetic number, because the mean of its divisors is an integer number (10439901).

Almost surely, 2^55578574 is an apocalyptic number.

55578574 is a deficient number, since it is larger than the sum of its proper divisors (27940634).

55578574 is a wasteful number, since it uses less digits than its factorization.

55578574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50450.

The product of its digits is 980000, while the sum is 46.

The square root of 55578574 is about 7455.1038892828. The cubic root of 55578574 is about 381.6241059902.

The spelling of 55578574 in words is "fifty-five million, five hundred seventy-eight thousand, five hundred seventy-four".