53859648835440 has 400 divisors, whose sum is σ = 225037645240320. Its totient is φ = 11662841064960.

The previous prime is 53859648835429. The next prime is 53859648835457. The reversal of 53859648835440 is 4453884695835.

53859648835440 is a `hidden beast` number, since 5 + 3 + 8 + 5 + 96 + 488 + 3 + 54 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 30385056 + ... + 32108735.

Almost surely, 2^{53859648835440} is an apocalyptic number.

It is an amenable number.

53859648835440 is an abundant number, since it is smaller than the sum of its proper divisors (171177996404880).

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

53859648835440 is a wasteful number, since it uses less digits than its factorization.

53859648835440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62493842 (or 62493827 counting only the distinct ones).

The product of its (nonzero) digits is 1990656000, while the sum is 72.

The spelling of 53859648835440 in words is "fifty-three trillion, eight hundred fifty-nine billion, six hundred forty-eight million, eight hundred thirty-five thousand, four hundred forty".