5221756755660 has 96 divisors (see below), whose sum is σ = 15611416128000. Its totient is φ = 1300951314432.

The previous prime is 5221756755659. The next prime is 5221756755667. The reversal of 5221756755660 is 665576571225.

It is a self number, because there is not a number n which added to its sum of digits gives 5221756755660.

It is not an unprimeable number, because it can be changed into a prime (5221756755667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43939285 + ... + 44057964.

It is an arithmetic number, because the mean of its divisors is an integer number (162618918000).

Almost surely, 2^{5221756755660} is an apocalyptic number.

It is an amenable number.

5221756755660 is an abundant number, since it is smaller than the sum of its proper divisors (10389659372340).

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

5221756755660 is a wasteful number, since it uses less digits than its factorization.

5221756755660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87997327 (or 87997325 counting only the distinct ones).

The product of its (nonzero) digits is 26460000, while the sum is 57.

The spelling of 5221756755660 in words is "five trillion, two hundred twenty-one billion, seven hundred fifty-six million, seven hundred fifty-five thousand, six hundred sixty".