55760072436 has 60 divisors (see below), whose sum is σ = 146831959428. Its totient is φ = 18451006848.

The previous prime is 55760072419. The next prime is 55760072461. The reversal of 55760072436 is 63427006755.

55760072436 is a `hidden beast` number, since 5 + 5 + 7 + 600 + 7 + 2 + 4 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10324592100 + 45435480336 = 101610^2 + 213156^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55760072391 and 55760072400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 583711 + ... + 672486.

Almost surely, 2^55760072436 is an apocalyptic number.

It is an amenable number.

55760072436 is an abundant number, since it is smaller than the sum of its proper divisors (91071886992).

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

55760072436 is a wasteful number, since it uses less digits than its factorization.

55760072436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256350 (or 1256339 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

It can be divided in two parts, 557600 and 72436, that added together give a palindrome (630036).

The spelling of 55760072436 in words is "fifty-five billion, seven hundred sixty million, seventy-two thousand, four hundred thirty-six".