51594628 has 6 divisors (see below), whose sum is σ = 90290606. Its totient is φ = 25797312.

The previous prime is 51594619. The next prime is 51594637. The reversal of 51594628 is 82649515.

It is an interprime number because it is at equal distance from previous prime (51594619) and next prime (51594637).

It can be written as a sum of positive squares in only one way, i.e., 49308484 + 2286144 = 7022^2 + 1512^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6449325 + ... + 6449332.

Almost surely, 2^51594628 is an apocalyptic number.

It is an amenable number.

51594628 is a deficient number, since it is larger than the sum of its proper divisors (38695978).

51594628 is a wasteful number, since it uses less digits than its factorization.

51594628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12898661 (or 12898659 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 51594628 is about 7182.9400665744. The cubic root of 51594628 is about 372.2786769878.

The spelling of 51594628 in words is "fifty-one million, five hundred ninety-four thousand, six hundred twenty-eight".