57253485818136 has 128 divisors (see below), whose sum is σ = 145950120806400. Its totient is φ = 18712399680000.

The previous prime is 57253485818069. The next prime is 57253485818153. The reversal of 57253485818136 is 63181858435275.

It is a happy number.

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, 990841566 + ... + 990899346.

It is an arithmetic number, because the mean of its divisors is an integer number (1140235318800).

Almost surely, 2^{57253485818136} is an apocalyptic number.

It is an amenable number.

57253485818136 is an abundant number, since it is smaller than the sum of its proper divisors (88696634988264).

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

57253485818136 is a wasteful number, since it uses less digits than its factorization.

57253485818136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61481 (or 61477 counting only the distinct ones).

The product of its digits is 193536000, while the sum is 66.

The spelling of 57253485818136 in words is "fifty-seven trillion, two hundred fifty-three billion, four hundred eighty-five million, eight hundred eighteen thousand, one hundred thirty-six".