55364724 has 36 divisors (see below), whose sum is σ = 140196420. Its totient is φ = 18422400.

The previous prime is 55364723. The next prime is 55364737. The reversal of 55364724 is 42746355.

55364724 is a `hidden beast` number, since 5 + 5 + 3 + 647 + 2 + 4 = 666.

55364724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 26010000 + 29354724 = 5100^2 + 5418^2 .

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (55364723) 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 11 ways as a sum of consecutive naturals, for example, 28174 + ... + 30074.

It is an arithmetic number, because the mean of its divisors is an integer number (3894345).

Almost surely, 2^55364724 is an apocalyptic number.

It is an amenable number.

55364724 is an abundant number, since it is smaller than the sum of its proper divisors (84831696).

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

55364724 is a wasteful number, since it uses less digits than its factorization.

55364724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720 (or 2715 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 55364724 is about 7440.7475430900. The cubic root of 55364724 is about 381.1340177881.

The spelling of 55364724 in words is "fifty-five million, three hundred sixty-four thousand, seven hundred twenty-four".