52113387 has 16 divisors (see below), whose sum is σ = 72410112. Its totient is φ = 33300960.

The previous prime is 52113379. The next prime is 52113401. The reversal of 52113387 is 78331125.

It is not a de Polignac number, because 52113387 - 2³ = 52113379 is a prime.

It is a super-2 number, since 2×52113387² = 5431610209223538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52113367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7333 + ... + 12569.

It is an arithmetic number, because the mean of its divisors is an integer number (4525632).

Almost surely, 2^52113387 is an apocalyptic number.

52113387 is a deficient number, since it is larger than the sum of its proper divisors (20296725).

52113387 is a wasteful number, since it uses less digits than its factorization.

52113387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378.

The product of its digits is 5040, while the sum is 30.

The square root of 52113387 is about 7218.9602436916. The cubic root of 52113387 is about 373.5222124784.

The spelling of 52113387 in words is "fifty-two million, one hundred thirteen thousand, three hundred eighty-seven".