53992682640 has 480 divisors, whose sum is σ = 202553035776. Its totient is φ = 12799365120.

The previous prime is 53992682593. The next prime is 53992682657. The reversal of 53992682640 is 4628629935.

It is a happy number.

53992682640 is a `hidden beast` number, since 539 + 9 + 2 + 68 + 2 + 6 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 91980427 + ... + 91981013.

Almost surely, 2^53992682640 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 53992682640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101276517888).

53992682640 is an abundant number, since it is smaller than the sum of its proper divisors (148560353136).

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

53992682640 is a wasteful number, since it uses less digits than its factorization.

53992682640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 53992682640 in words is "fifty-three billion, nine hundred ninety-two million, six hundred eighty-two thousand, six hundred forty".