51588136 has 8 divisors (see below), whose sum is σ = 96727770. Its totient is φ = 25794064.

The previous prime is 51588113. The next prime is 51588139. The reversal of 51588136 is 63188515.

It can be written as a sum of positive squares in only one way, i.e., 40068900 + 11519236 = 6330^2 + 3394^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×51588136² = 5322671551908992, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51588095 and 51588104.

It is not an unprimeable number, because it can be changed into a prime (51588139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224251 + ... + 3224266.

Almost surely, 2^51588136 is an apocalyptic number.

It is an amenable number.

51588136 is a deficient number, since it is larger than the sum of its proper divisors (45139634).

51588136 is a wasteful number, since it uses less digits than its factorization.

51588136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6448523 (or 6448519 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The square root of 51588136 is about 7182.4881482673. The cubic root of 51588136 is about 372.2630620899.

The spelling of 51588136 in words is "fifty-one million, five hundred eighty-eight thousand, one hundred thirty-six".