53900667408 has 240 divisors, whose sum is σ = 169322496000. Its totient is φ = 14470638336.

The previous prime is 53900667361. The next prime is 53900667437. The reversal of 53900667408 is 80476600935.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15402843 + ... + 15406341.

It is an arithmetic number, because the mean of its divisors is an integer number (705510400).

Almost surely, 2^53900667408 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 53900667408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84661248000).

53900667408 is an abundant number, since it is smaller than the sum of its proper divisors (115421828592).

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

53900667408 is a wasteful number, since it uses less digits than its factorization.

53900667408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682 (or 3657 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 53900667408 in words is "fifty-three billion, nine hundred million, six hundred sixty-seven thousand, four hundred eight".