52111615 has 16 divisors (see below), whose sum is σ = 64393056. Its totient is φ = 40460800.

The previous prime is 52111567. The next prime is 52111621. The reversal of 52111615 is 51611125.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-52111615 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 47220 + ... + 48310.

It is an arithmetic number, because the mean of its divisors is an integer number (4024566).

Almost surely, 2^52111615 is an apocalyptic number.

52111615 is a deficient number, since it is larger than the sum of its proper divisors (12281441).

52111615 is a wasteful number, since it uses less digits than its factorization.

52111615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370.

The product of its digits is 300, while the sum is 22.

The square root of 52111615 is about 7218.8375102921. The cubic root of 52111615 is about 373.5179788326.

The spelling of 52111615 in words is "fifty-two million, one hundred eleven thousand, six hundred fifteen".