51152235 has 16 divisors (see below), whose sum is σ = 86658336. Its totient is φ = 25676288.

The previous prime is 51152197. The next prime is 51152243. The reversal of 51152235 is 53225115.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51152235 - 2⁷ = 51152107 is a prime.

It is a super-2 number, since 2×51152235² = 5233102290990450, which contains 22 as substring.

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, 100044 + ... + 100553.

It is an arithmetic number, because the mean of its divisors is an integer number (5416146).

Almost surely, 2^51152235 is an apocalyptic number.

51152235 is a deficient number, since it is larger than the sum of its proper divisors (35506101).

51152235 is a wasteful number, since it uses less digits than its factorization.

51152235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200622.

The product of its digits is 1500, while the sum is 24.

The square root of 51152235 is about 7152.0790683549. The cubic root of 51152235 is about 371.2115991525.

The spelling of 51152235 in words is "fifty-one million, one hundred fifty-two thousand, two hundred thirty-five".