53936417343840 has 192 divisors, whose sum is σ = 174275407014912. Its totient is φ = 14013550080000.

The previous prime is 53936417343839. The next prime is 53936417343889. The reversal of 53936417343840 is 4834371463935.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 12954999 + ... + 16604361.

It is an arithmetic number, because the mean of its divisors is an integer number (907684411536).

Almost surely, 2^{53936417343840} 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 53936417343840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87137703507456).

53936417343840 is an abundant number, since it is smaller than the sum of its proper divisors (120338989671072).

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

53936417343840 is a wasteful number, since it uses less digits than its factorization.

53936417343840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650173 (or 3650165 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 60.

The spelling of 53936417343840 in words is "fifty-three trillion, nine hundred thirty-six billion, four hundred seventeen million, three hundred forty-three thousand, eight hundred forty".