51134856 has 16 divisors (see below), whose sum is σ = 127837200. Its totient is φ = 17044944.

The previous prime is 51134807. The next prime is 51134857. The reversal of 51134856 is 65843115.

It is a super-2 number, since 2×51134856² = 5229546996281472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51134857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065286 + ... + 1065333.

It is an arithmetic number, because the mean of its divisors is an integer number (7989825).

Almost surely, 2^51134856 is an apocalyptic number.

It is an amenable number.

51134856 is an abundant number, since it is smaller than the sum of its proper divisors (76702344).

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

51134856 is a wasteful number, since it uses less digits than its factorization.

51134856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130628 (or 2130624 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 51134856 is about 7150.8640037411. The cubic root of 51134856 is about 371.1695546088.

The spelling of 51134856 in words is "fifty-one million, one hundred thirty-four thousand, eight hundred fifty-six".