54650556 has 18 divisors (see below), whose sum is σ = 138144552. Its totient is φ = 18216840.

The previous prime is 54650543. The next prime is 54650573. The reversal of 54650556 is 65505645.

It is a happy number.

54650556 is a `hidden beast` number, since 54 + 6 + 50 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×54650556² = 5973366542218272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1518071 = 54650556 / (5 + 4 + 6 + 5 + 0 + 5 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 54650556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 759000 + ... + 759071.

Almost surely, 2^54650556 is an apocalyptic number.

It is an amenable number.

54650556 is an abundant number, since it is smaller than the sum of its proper divisors (83493996).

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

54650556 is a wasteful number, since it uses less digits than its factorization.

54650556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518081 (or 1518076 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 54650556 is about 7392.6014365716. The cubic root of 54650556 is about 379.4881289022.

The spelling of 54650556 in words is "fifty-four million, six hundred fifty thousand, five hundred fifty-six".