54942644 has 12 divisors (see below), whose sum is σ = 96203268. Its totient is φ = 27456000.

The previous prime is 54942619. The next prime is 54942677. The reversal of 54942644 is 44624945.

It can be written as a sum of positive squares in 2 ways, for example, as 31225744 + 23716900 = 5588^2 + 4870^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54942598 and 54942607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9044 + ... + 13844.

It is an arithmetic number, because the mean of its divisors is an integer number (8016939).

Almost surely, 2^54942644 is an apocalyptic number.

It is an amenable number.

54942644 is a deficient number, since it is larger than the sum of its proper divisors (41260624).

54942644 is a wasteful number, since it uses less digits than its factorization.

54942644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666 (or 7664 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 54942644 is about 7412.3305376919. The cubic root of 54942644 is about 380.1630048597.

The spelling of 54942644 in words is "fifty-four million, nine hundred forty-two thousand, six hundred forty-four".