53477544660 has 96 divisors (see below), whose sum is σ = 152465241600. Its totient is φ = 14001699840.

The previous prime is 53477544641. The next prime is 53477544671. The reversal of 53477544660 is 6644577435.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2069701 + ... + 2095379.

It is an arithmetic number, because the mean of its divisors is an integer number (1588179600).

Almost surely, 2^53477544660 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 53477544660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76232620800).

53477544660 is an abundant number, since it is smaller than the sum of its proper divisors (98987696940).

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

53477544660 is a wasteful number, since it uses less digits than its factorization.

53477544660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26321 (or 26319 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 51.

The spelling of 53477544660 in words is "fifty-three billion, four hundred seventy-seven million, five hundred forty-four thousand, six hundred sixty".