54956187 has 24 divisors (see below), whose sum is σ = 93261168. Its totient is φ = 30744000.

The previous prime is 54956183. The next prime is 54956197. The reversal of 54956187 is 78165945.

54956187 is a `hidden beast` number, since 5 + 4 + 9 + 561 + 87 = 666.

It is not a de Polignac number, because 54956187 - 2² = 54956183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54956183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20064 + ... + 22637.

It is an arithmetic number, because the mean of its divisors is an integer number (3885882).

Almost surely, 2^54956187 is an apocalyptic number.

54956187 is a deficient number, since it is larger than the sum of its proper divisors (38304981).

54956187 is a wasteful number, since it uses less digits than its factorization.

54956187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42731 (or 42728 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 54956187 is about 7413.2440267403. The cubic root of 54956187 is about 380.1942381861.

The spelling of 54956187 in words is "fifty-four million, nine hundred fifty-six thousand, one hundred eighty-seven".