54724644 has 36 divisors (see below), whose sum is σ = 148973916. Its totient is φ = 16838208.

The previous prime is 54724633. The next prime is 54724667. The reversal of 54724644 is 44642745.

54724644 is a `hidden beast` number, since 5 + 4 + 7 + 2 + 4 + 644 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28836900 + 25887744 = 5370^2 + 5088^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 54724599 and 54724608.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57999 + ... + 58934.

Almost surely, 2^54724644 is an apocalyptic number.

It is an amenable number.

54724644 is an abundant number, since it is smaller than the sum of its proper divisors (94249272).

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

54724644 is a wasteful number, since it uses less digits than its factorization.

54724644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116956 (or 116951 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 54724644 is about 7397.6106953529. The cubic root of 54724644 is about 379.6595380820.

The spelling of 54724644 in words is "fifty-four million, seven hundred twenty-four thousand, six hundred forty-four".