52015870 has 16 divisors (see below), whose sum is σ = 93733920. Its totient is φ = 20782944.

The previous prime is 52015849. The next prime is 52015883. The reversal of 52015870 is 7851025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8551 + ... + 13309.

It is an arithmetic number, because the mean of its divisors is an integer number (5858370).

Almost surely, 2^52015870 is an apocalyptic number.

52015870 is a deficient number, since it is larger than the sum of its proper divisors (41718050).

52015870 is a wasteful number, since it uses less digits than its factorization.

52015870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5859.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 52015870 is about 7212.2028534977. The cubic root of 52015870 is about 373.2890829427.

Adding to 52015870 its reverse (7851025), we get a palindrome (59866895).

The spelling of 52015870 in words is "fifty-two million, fifteen thousand, eight hundred seventy".