52251115 has 32 divisors (see below), whose sum is σ = 76546944. Its totient is φ = 33423360.

The previous prime is 52251113. The next prime is 52251119. The reversal of 52251115 is 51115225.

It is a happy number.

It is not a de Polignac number, because 52251115 - 2¹ = 52251113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52251113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81195 + ... + 81835.

It is an arithmetic number, because the mean of its divisors is an integer number (2392092).

Almost surely, 2^52251115 is an apocalyptic number.

52251115 is a deficient number, since it is larger than the sum of its proper divisors (24295829).

52251115 is a wasteful number, since it uses less digits than its factorization.

52251115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807.

The product of its digits is 500, while the sum is 22.

The square root of 52251115 is about 7228.4932731517. The cubic root of 52251115 is about 373.8509777382.

The spelling of 52251115 in words is "fifty-two million, two hundred fifty-one thousand, one hundred fifteen".