51394692 has 24 divisors (see below), whose sum is σ = 120091552. Its totient is φ = 17107200.

The previous prime is 51394669. The next prime is 51394697. The reversal of 51394692 is 29649315.

It is a super-3 number, since 3×51394692³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51394692.

It is not an unprimeable number, because it can be changed into a prime (51394697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7092 + ... + 12372.

Almost surely, 2^51394692 is an apocalyptic number.

It is an amenable number.

51394692 is an abundant number, since it is smaller than the sum of its proper divisors (68696860).

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

51394692 is a wasteful number, since it uses less digits than its factorization.

51394692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099 (or 6097 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 51394692 is about 7169.0091365544. The cubic root of 51394692 is about 371.7971781414.

The spelling of 51394692 in words is "fifty-one million, three hundred ninety-four thousand, six hundred ninety-two".