55111474 has 8 divisors (see below), whose sum is σ = 90182448. Its totient is φ = 25050660.

The previous prime is 55111471. The next prime is 55111493. The reversal of 55111474 is 47411155.

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

It is not an unprimeable number, because it can be changed into a prime (55111471) 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, 1252512 + ... + 1252555.

It is an arithmetic number, because the mean of its divisors is an integer number (11272806).

Almost surely, 2^55111474 is an apocalyptic number.

55111474 is a deficient number, since it is larger than the sum of its proper divisors (35070974).

55111474 is a wasteful number, since it uses less digits than its factorization.

55111474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505080.

The product of its digits is 2800, while the sum is 28.

The square root of 55111474 is about 7423.7102583546. The cubic root of 55111474 is about 380.5520001594.

The spelling of 55111474 in words is "fifty-five million, one hundred eleven thousand, four hundred seventy-four".