51876138 has 16 divisors (see below), whose sum is σ = 104450400. Its totient is φ = 17175696.

The previous prime is 51876127. The next prime is 51876151. The reversal of 51876138 is 83167815.

It is a super-2 number, since 2×51876138² = 5382267387590088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51876096 and 51876105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28120 + ... + 29907.

It is an arithmetic number, because the mean of its divisors is an integer number (6528150).

Almost surely, 2^51876138 is an apocalyptic number.

51876138 is an abundant number, since it is smaller than the sum of its proper divisors (52574262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51876138 is a wasteful number, since it uses less digits than its factorization.

51876138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58181.

The product of its digits is 40320, while the sum is 39.

The square root of 51876138 is about 7202.5091461240. The cubic root of 51876138 is about 372.9545234659.

It can be divided in two parts, 5187 and 6138, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 51876138 in words is "fifty-one million, eight hundred seventy-six thousand, one hundred thirty-eight".