55597924764 has 72 divisors (see below), whose sum is σ = 145146718080. Its totient is φ = 17925667200.

The previous prime is 55597924717. The next prime is 55597924777. The reversal of 55597924764 is 46742979555.

55597924764 is a `hidden beast` number, since 5 + 559 + 7 + 9 + 2 + 4 + 76 + 4 = 666.

It is a super-2 number, since 2×55597924764² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2377722 + ... + 2400990.

It is an arithmetic number, because the mean of its divisors is an integer number (2015926640).

Almost surely, 2^55597924764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55597924764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72573359040).

55597924764 is an abundant number, since it is smaller than the sum of its proper divisors (89548793316).

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

55597924764 is a wasteful number, since it uses less digits than its factorization.

55597924764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25451 (or 25446 counting only the distinct ones).

The product of its digits is 95256000, while the sum is 63.

The spelling of 55597924764 in words is "fifty-five billion, five hundred ninety-seven million, nine hundred twenty-four thousand, seven hundred sixty-four".