54972636 has 24 divisors (see below), whose sum is σ = 131399184. Its totient is φ = 17877120.

The previous prime is 54972623. The next prime is 54972637. The reversal of 54972636 is 63627945.

54972636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54972637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55375 + ... + 56358.

It is an arithmetic number, because the mean of its divisors is an integer number (5474966).

Almost surely, 2^54972636 is an apocalyptic number.

It is an amenable number.

54972636 is an abundant number, since it is smaller than the sum of its proper divisors (76426548).

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

54972636 is a wasteful number, since it uses less digits than its factorization.

54972636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111781 (or 111779 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 54972636 is about 7414.3533770653. The cubic root of 54972636 is about 380.2321665282.

The spelling of 54972636 in words is "fifty-four million, nine hundred seventy-two thousand, six hundred thirty-six".