54135856 has 20 divisors (see below), whose sum is σ = 106218400. Its totient is φ = 26724672.

The previous prime is 54135821. The next prime is 54135857. The reversal of 54135856 is 65853145.

It is not an unprimeable number, because it can be changed into a prime (54135857) 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, 20151 + ... + 22678.

It is an arithmetic number, because the mean of its divisors is an integer number (5310920).

Almost surely, 2^54135856 is an apocalyptic number.

It is an amenable number.

54135856 is a deficient number, since it is larger than the sum of its proper divisors (52082544).

54135856 is a wasteful number, since it uses less digits than its factorization.

54135856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42916 (or 42910 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The square root of 54135856 is about 7357.7072515832. The cubic root of 54135856 is about 378.2930269873.

The spelling of 54135856 in words is "fifty-four million, one hundred thirty-five thousand, eight hundred fifty-six".