55768998582 has 32 divisors (see below), whose sum is σ = 135197573760. Its totient is φ = 16899696360.

The previous prime is 55768998577. The next prime is 55768998583. The reversal of 55768998582 is 28589986755.

55768998582 is a `hidden beast` number, since 557 + 68 + 9 + 9 + 8 + 5 + 8 + 2 = 666.

It is a super-2 number, since 2×55768998582² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55768998582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55768998583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46943008 + ... + 46944195.

It is an arithmetic number, because the mean of its divisors is an integer number (4224924180).

Almost surely, 2^55768998582 is an apocalyptic number.

55768998582 is an abundant number, since it is smaller than the sum of its proper divisors (79428575178).

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

55768998582 is a wasteful number, since it uses less digits than its factorization.

55768998582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93887225 (or 93887219 counting only the distinct ones).

The product of its digits is 435456000, while the sum is 72.

The spelling of 55768998582 in words is "fifty-five billion, seven hundred sixty-eight million, nine hundred ninety-eight thousand, five hundred eighty-two".