54774636 has 24 divisors (see below), whose sum is σ = 146065920. Its totient is φ = 15649872.

The previous prime is 54774617. The next prime is 54774641. The reversal of 54774636 is 63647745.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325956 + ... + 326123.

It is an arithmetic number, because the mean of its divisors is an integer number (6086080).

Almost surely, 2^54774636 is an apocalyptic number.

It is an amenable number.

54774636 is an abundant number, since it is smaller than the sum of its proper divisors (91291284).

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

54774636 is a wasteful number, since it uses less digits than its factorization.

54774636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652093 (or 652091 counting only the distinct ones).

The product of its digits is 423360, while the sum is 42.

The square root of 54774636 is about 7400.9888528493. The cubic root of 54774636 is about 379.7751116254.

The spelling of 54774636 in words is "fifty-four million, seven hundred seventy-four thousand, six hundred thirty-six".