52591980 has 48 divisors (see below), whose sum is σ = 168295680. Its totient is φ = 12020928.

The previous prime is 52591963. The next prime is 52591997. The reversal of 52591980 is 8919525.

It is an interprime number because it is at equal distance from previous prime (52591963) and next prime (52591997).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 62190 + ... + 63029.

It is an arithmetic number, because the mean of its divisors is an integer number (3506160).

Almost surely, 2^52591980 is an apocalyptic number.

It is an amenable number.

52591980 is an abundant number, since it is smaller than the sum of its proper divisors (115703700).

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

52591980 is a wasteful number, since it uses less digits than its factorization.

52591980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125238 (or 125236 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 52591980 is about 7252.0328184586. The cubic root of 52591980 is about 374.6621668525.

The spelling of 52591980 in words is "fifty-two million, five hundred ninety-one thousand, nine hundred eighty".