52158756 has 48 divisors (see below), whose sum is σ = 136773504. Its totient is φ = 15350016.

The previous prime is 52158749. The next prime is 52158787. The reversal of 52158756 is 65785125.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3681 + ... + 10856.

It is an arithmetic number, because the mean of its divisors is an integer number (2849448).

Almost surely, 2^52158756 is an apocalyptic number.

It is an amenable number.

52158756 is an abundant number, since it is smaller than the sum of its proper divisors (84614748).

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

52158756 is a wasteful number, since it uses less digits than its factorization.

52158756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14580 (or 14578 counting only the distinct ones).

The product of its digits is 84000, while the sum is 39.

The square root of 52158756 is about 7222.1019101090. The cubic root of 52158756 is about 373.6305749989.

The spelling of 52158756 in words is "fifty-two million, one hundred fifty-eight thousand, seven hundred fifty-six".