51894584 has 16 divisors (see below), whose sum is σ = 111202800. Its totient is φ = 22240512.

The previous prime is 51894569. The next prime is 51894587. The reversal of 51894584 is 48549815.

It is a super-4 number, since 4×51894584⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51894587) 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, 463289 + ... + 463400.

It is an arithmetic number, because the mean of its divisors is an integer number (6950175).

Almost surely, 2^51894584 is an apocalyptic number.

It is an amenable number.

51894584 is an abundant number, since it is smaller than the sum of its proper divisors (59308216).

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

51894584 is a wasteful number, since it uses less digits than its factorization.

51894584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926702 (or 926698 counting only the distinct ones).

The product of its digits is 230400, while the sum is 44.

The square root of 51894584 is about 7203.7895582811. The cubic root of 51894584 is about 372.9987230033.

The spelling of 51894584 in words is "fifty-one million, eight hundred ninety-four thousand, five hundred eighty-four".