52658988 has 48 divisors (see below), whose sum is σ = 127303680. Its totient is φ = 16930944.

The previous prime is 52658981. The next prime is 52658989. The reversal of 52658988 is 88985625.

It is a self number, because there is not a number n which added to its sum of digits gives 52658988.

It is not an unprimeable number, because it can be changed into a prime (52658981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40533 + ... + 41811.

It is an arithmetic number, because the mean of its divisors is an integer number (2652160).

Almost surely, 2^52658988 is an apocalyptic number.

It is an amenable number.

52658988 is an abundant number, since it is smaller than the sum of its proper divisors (74644692).

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

52658988 is a wasteful number, since it uses less digits than its factorization.

52658988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1404 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 51.

The square root of 52658988 is about 7256.6512938131. The cubic root of 52658988 is about 374.8212196693.

The spelling of 52658988 in words is "fifty-two million, six hundred fifty-eight thousand, nine hundred eighty-eight".