55634724 has 36 divisors (see below), whose sum is σ = 141460956. Its totient is φ = 18435648.

The previous prime is 55634713. The next prime is 55634737. The reversal of 55634724 is 42743655.

55634724 is a `hidden beast` number, since 556 + 34 + 72 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34012224 + 21622500 = 5832^2 + 4650^2 .

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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1762 + ... + 10694.

It is an arithmetic number, because the mean of its divisors is an integer number (3929471).

Almost surely, 2^55634724 is an apocalyptic number.

It is an amenable number.

55634724 is an abundant number, since it is smaller than the sum of its proper divisors (85826232).

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

55634724 is a wasteful number, since it uses less digits than its factorization.

55634724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9116 (or 9111 counting only the distinct ones).

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

The square root of 55634724 is about 7458.8688150416. The cubic root of 55634724 is about 381.7525786485.

The spelling of 55634724 in words is "fifty-five million, six hundred thirty-four thousand, seven hundred twenty-four".