51252877 has 8 divisors (see below), whose sum is σ = 55373976. Its totient is φ = 47157312.

The previous prime is 51252857. The next prime is 51252907. The reversal of 51252877 is 77825215.

It can be written as a sum of positive squares in 4 ways, for example, as 6817321 + 44435556 = 2611^2 + 6666^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51252877 - 2¹⁵ = 51220109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51252847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2098 + ... + 10339.

It is an arithmetic number, because the mean of its divisors is an integer number (6921747).

Almost surely, 2^51252877 is an apocalyptic number.

It is an amenable number.

51252877 is a deficient number, since it is larger than the sum of its proper divisors (4121099).

51252877 is a wasteful number, since it uses less digits than its factorization.

51252877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12767.

The product of its digits is 39200, while the sum is 37.

The square root of 51252877 is about 7159.1114672143. Note that the first 3 decimals coincide. The cubic root of 51252877 is about 371.4548925486.

The spelling of 51252877 in words is "fifty-one million, two hundred fifty-two thousand, eight hundred seventy-seven".