52990560 has 216 divisors, whose sum is σ = 210633696. Its totient is φ = 12096000.

The previous prime is 52990543. The next prime is 52990571. The reversal of 52990560 is 6509925.

52990560 is a `hidden beast` number, since 5 + 2 + 9 + 90 + 560 = 666.

It is a super-2 number, since 2×52990560² = 5615998898227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 70185 + ... + 70935.

It is an arithmetic number, because the mean of its divisors is an integer number (975156).

Almost surely, 2^52990560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52990560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105316848).

52990560 is an abundant number, since it is smaller than the sum of its proper divisors (157643136).

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

52990560 is a wasteful number, since it uses less digits than its factorization.

52990560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 52990560 is about 7279.4615185465. The cubic root of 52990560 is about 375.6062726278.

The spelling of 52990560 in words is "fifty-two million, nine hundred ninety thousand, five hundred sixty".