55724598 has 40 divisors (see below), whose sum is σ = 126933840. Its totient is φ = 18267120.

The previous prime is 55724569. The next prime is 55724609. The reversal of 55724598 is 89542755.

55724598 is a `hidden beast` number, since 5 + 57 + 2 + 4 + 598 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7063 + ... + 12701.

It is an arithmetic number, because the mean of its divisors is an integer number (3173346).

Almost surely, 2^55724598 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55724598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63466920).

55724598 is an abundant number, since it is smaller than the sum of its proper divisors (71209242).

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

55724598 is a wasteful number, since it uses less digits than its factorization.

55724598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714 (or 5705 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 55724598 is about 7464.8910239869. The cubic root of 55724598 is about 381.9580329068.

The spelling of 55724598 in words is "fifty-five million, seven hundred twenty-four thousand, five hundred ninety-eight".