54615156 has 48 divisors (see below), whose sum is σ = 133574784. Its totient is φ = 17335296.

The previous prime is 54615109. The next prime is 54615161. The reversal of 54615156 is 65151645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119280 + ... + 119736.

It is an arithmetic number, because the mean of its divisors is an integer number (2782808).

Almost surely, 2^54615156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54615156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66787392).

54615156 is an abundant number, since it is smaller than the sum of its proper divisors (78959628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54615156 is a wasteful number, since it uses less digits than its factorization.

54615156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 918 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 54615156 is about 7390.2067630074. The cubic root of 54615156 is about 379.4061731552.

The spelling of 54615156 in words is "fifty-four million, six hundred fifteen thousand, one hundred fifty-six".