55245574 has 16 divisors (see below), whose sum is σ = 84163968. Its totient is φ = 27194112.

The previous prime is 55245511. The next prime is 55245577. The reversal of 55245574 is 47554255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55245577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42624 + ... + 43900.

It is an arithmetic number, because the mean of its divisors is an integer number (5260248).

Almost surely, 2^55245574 is an apocalyptic number.

55245574 is a deficient number, since it is larger than the sum of its proper divisors (28918394).

55245574 is a wasteful number, since it uses less digits than its factorization.

55245574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599.

The product of its digits is 140000, while the sum is 37.

The square root of 55245574 is about 7432.7366427178. The cubic root of 55245574 is about 380.8604095471.

The spelling of 55245574 in words is "fifty-five million, two hundred forty-five thousand, five hundred seventy-four".