51894836 has 12 divisors (see below), whose sum is σ = 103789728. Its totient is φ = 22240632.

The previous prime is 51894827. The next prime is 51894839. The reversal of 51894836 is 63849815.

51894836 is an admirable number.

It is a super-3 number, since 3×51894836³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51894839) 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, 926666 + ... + 926721.

It is an arithmetic number, because the mean of its divisors is an integer number (8649144).

Almost surely, 2^51894836 is an apocalyptic number.

It is an amenable number.

51894836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51894836 is a wasteful number, since it uses less digits than its factorization.

51894836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853398 (or 1853396 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 51894836 is about 7203.8070490540. The cubic root of 51894836 is about 372.9993267627. Note that the first 3 decimals are identical.

The spelling of 51894836 in words is "fifty-one million, eight hundred ninety-four thousand, eight hundred thirty-six".