52310221556 has 12 divisors (see below), whose sum is σ = 91557688992. Its totient is φ = 26150881848.

The previous prime is 52310221543. The next prime is 52310221567. The reversal of 52310221556 is 65512201325.

It is a super-2 number, since 2×52310221556² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029320 + ... + 1078943.

It is an arithmetic number, because the mean of its divisors is an integer number (7629807416).

Almost surely, 2^52310221556 is an apocalyptic number.

It is an amenable number.

52310221556 is a deficient number, since it is larger than the sum of its proper divisors (39247467436).

52310221556 is a wasteful number, since it uses less digits than its factorization.

52310221556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114470 (or 2114468 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 52310221556 in words is "fifty-two billion, three hundred ten million, two hundred twenty-one thousand, five hundred fifty-six".