51234894 has 24 divisors (see below), whose sum is σ = 111168720. Its totient is φ = 17053728.

The previous prime is 51234893. The next prime is 51234929. The reversal of 51234894 is 49843215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51234893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14362 + ... + 17570.

It is an arithmetic number, because the mean of its divisors is an integer number (4632030).

Almost surely, 2^51234894 is an apocalyptic number.

51234894 is an abundant number, since it is smaller than the sum of its proper divisors (59933826).

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

51234894 is a wasteful number, since it uses less digits than its factorization.

51234894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104 (or 4101 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 51234894 is about 7157.8554050777. The cubic root of 51234894 is about 371.4114435748.

The spelling of 51234894 in words is "fifty-one million, two hundred thirty-four thousand, eight hundred ninety-four".