51052113 has 24 divisors (see below), whose sum is σ = 87400768. Its totient is φ = 29171664.

The previous prime is 51052103. The next prime is 51052123. The reversal of 51052113 is 31125015.

It is an interprime number because it is at equal distance from previous prime (51052103) and next prime (51052123).

It is not a de Polignac number, because 51052113 - 2⁴ = 51052097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51052103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13306 + ... + 16707.

Almost surely, 2^51052113 is an apocalyptic number.

It is an amenable number.

51052113 is a deficient number, since it is larger than the sum of its proper divisors (36348655).

51052113 is an equidigital number, since it uses as much as digits as its factorization.

51052113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30035 (or 30023 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 51052113 is about 7145.0761367532. The cubic root of 51052113 is about 370.9692459547.

Adding to 51052113 its reverse (31125015), we get a palindrome (82177128).

The spelling of 51052113 in words is "fifty-one million, fifty-two thousand, one hundred thirteen".