51594612 has 48 divisors (see below), whose sum is σ = 126669312. Its totient is φ = 16313440.

The previous prime is 51594601. The next prime is 51594619. The reversal of 51594612 is 21649515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51594619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35443 + ... + 36869.

It is an arithmetic number, because the mean of its divisors is an integer number (2638944).

Almost surely, 2^51594612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51594612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63334656).

51594612 is an abundant number, since it is smaller than the sum of its proper divisors (75074700).

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

51594612 is a wasteful number, since it uses less digits than its factorization.

51594612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1586 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 51594612 is about 7182.9389528243. The cubic root of 51594612 is about 372.2786385054.

The spelling of 51594612 in words is "fifty-one million, five hundred ninety-four thousand, six hundred twelve".