51158696 has 8 divisors (see below), whose sum is σ = 95922570. Its totient is φ = 25579344.

The previous prime is 51158663. The next prime is 51158717. The reversal of 51158696 is 69685115.

It can be written as a sum of positive squares in only one way, i.e., 27984100 + 23174596 = 5290^2 + 4814^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3197411 + ... + 3197426.

Almost surely, 2^51158696 is an apocalyptic number.

It is an amenable number.

51158696 is a deficient number, since it is larger than the sum of its proper divisors (44763874).

51158696 is a wasteful number, since it uses less digits than its factorization.

51158696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394843 (or 6394839 counting only the distinct ones).

The product of its digits is 64800, while the sum is 41.

The square root of 51158696 is about 7152.5307409336. The cubic root of 51158696 is about 371.2272276463.

The spelling of 51158696 in words is "fifty-one million, one hundred fifty-eight thousand, six hundred ninety-six".