55844157 has 16 divisors (see below), whose sum is σ = 75398400. Its totient is φ = 36763200.

The previous prime is 55844123. The next prime is 55844177. The reversal of 55844157 is 75144855.

It is not a de Polignac number, because 55844157 - 2¹¹ = 55842109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55844177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120907 + ... + 121367.

It is an arithmetic number, because the mean of its divisors is an integer number (4712400).

Almost surely, 2^55844157 is an apocalyptic number.

It is an amenable number.

55844157 is a deficient number, since it is larger than the sum of its proper divisors (19554243).

55844157 is a wasteful number, since it uses less digits than its factorization.

55844157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884.

The product of its digits is 112000, while the sum is 39.

The square root of 55844157 is about 7472.8948206167. The cubic root of 55844157 is about 382.2310057129.

The spelling of 55844157 in words is "fifty-five million, eight hundred forty-four thousand, one hundred fifty-seven".