53615550264556 has 72 divisors (see below), whose sum is σ = 109956751815008. Its totient is φ = 22408173849600.

The previous prime is 53615550264511. The next prime is 53615550264557. The reversal of 53615550264556 is 65546205551635.

It is a super-2 number, since 2×53615550264556² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53615550264556.

It is not an unprimeable number, because it can be changed into a prime (53615550264557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111641026 + ... + 112120246.

Almost surely, 2^{53615550264556} 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 53615550264556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54978375907504).

53615550264556 is an abundant number, since it is smaller than the sum of its proper divisors (56341201550452).

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

53615550264556 is a wasteful number, since it uses less digits than its factorization.

53615550264556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481691 (or 481648 counting only the distinct ones).

The product of its (nonzero) digits is 81000000, while the sum is 58.

The spelling of 53615550264556 in words is "fifty-three trillion, six hundred fifteen billion, five hundred fifty million, two hundred sixty-four thousand, five hundred fifty-six".