51668762 has 8 divisors (see below), whose sum is σ = 77642496. Its totient is φ = 25787932.

The previous prime is 51668737. The next prime is 51668767. The reversal of 51668762 is 26786615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51668762² = 5339321933225288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51668767) 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, 21818 + ... + 24069.

It is an arithmetic number, because the mean of its divisors is an integer number (9705312).

Almost surely, 2^51668762 is an apocalyptic number.

51668762 is a deficient number, since it is larger than the sum of its proper divisors (25973734).

51668762 is a wasteful number, since it uses less digits than its factorization.

51668762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46452.

The product of its digits is 120960, while the sum is 41.

The square root of 51668762 is about 7188.0986359398. The cubic root of 51668762 is about 372.4568951518.

The spelling of 51668762 in words is "fifty-one million, six hundred sixty-eight thousand, seven hundred sixty-two".