54859644 has 36 divisors (see below), whose sum is σ = 158484144. Its totient is φ = 15674112.

The previous prime is 54859639. The next prime is 54859661. The reversal of 54859644 is 44695845.

54859644 is a `hidden beast` number, since 54 + 8 + 596 + 4 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 54859644.

It is a congruent number.

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, 108597 + ... + 109100.

Almost surely, 2^54859644 is an apocalyptic number.

It is an amenable number.

54859644 is an abundant number, since it is smaller than the sum of its proper divisors (103624500).

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

54859644 is a wasteful number, since it uses less digits than its factorization.

54859644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217714 (or 217709 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 54859644 is about 7406.7296426966. The cubic root of 54859644 is about 379.9714752365.

It can be divided in two parts, 5485 and 9644, that added together give a square (15129 = 123²).

The spelling of 54859644 in words is "fifty-four million, eight hundred fifty-nine thousand, six hundred forty-four".