52015560 has 64 divisors (see below), whose sum is σ = 161438400. Its totient is φ = 13391616.

The previous prime is 52015553. The next prime is 52015567. The reversal of 52015560 is 6551025.

It is an interprime number because it is at equal distance from previous prime (52015553) and next prime (52015567).

It is a super-2 number, since 2×52015560² = 5411236964227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 52015560.

It is not an unprimeable number, because it can be changed into a prime (52015567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3994 + ... + 10953.

It is an arithmetic number, because the mean of its divisors is an integer number (2522475).

Almost surely, 2^52015560 is an apocalyptic number.

It is an amenable number.

52015560 is an abundant number, since it is smaller than the sum of its proper divisors (109422840).

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

52015560 is a wasteful number, since it uses less digits than its factorization.

52015560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14990 (or 14986 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 52015560 is about 7212.1813621123. The cubic root of 52015560 is about 373.2883413751.

Adding to 52015560 its reverse (6551025), we get a palindrome (58566585).

The spelling of 52015560 in words is "fifty-two million, fifteen thousand, five hundred sixty".