53257857880 has 16 divisors (see below), whose sum is σ = 119830180320. Its totient is φ = 21303143136.

The previous prime is 53257857871. The next prime is 53257857899. The reversal of 53257857880 is 8875875235.

53257857880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665723184 + ... + 665723263.

It is an arithmetic number, because the mean of its divisors is an integer number (7489386270).

Almost surely, 2^53257857880 is an apocalyptic number.

It is an amenable number.

53257857880 is an abundant number, since it is smaller than the sum of its proper divisors (66572322440).

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

53257857880 is a wasteful number, since it uses less digits than its factorization.

53257857880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331446458 (or 1331446454 counting only the distinct ones).

The product of its (nonzero) digits is 18816000, while the sum is 58.

The spelling of 53257857880 in words is "fifty-three billion, two hundred fifty-seven million, eight hundred fifty-seven thousand, eight hundred eighty".