51499996 has 12 divisors (see below), whose sum is σ = 90178200. Its totient is φ = 25734800.

The previous prime is 51499963. The next prime is 51499997. The reversal of 51499996 is 69999415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51499997) 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, 7671 + ... + 12721.

It is an arithmetic number, because the mean of its divisors is an integer number (7514850).

Almost surely, 2^51499996 is an apocalyptic number.

It is an amenable number.

51499996 is a deficient number, since it is larger than the sum of its proper divisors (38678204).

51499996 is a wasteful number, since it uses less digits than its factorization.

51499996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604 (or 7602 counting only the distinct ones).

The product of its digits is 787320, while the sum is 52.

The square root of 51499996 is about 7176.3497685105. The cubic root of 51499996 is about 372.0509334045.

The spelling of 51499996 in words is "fifty-one million, four hundred ninety-nine thousand, nine hundred ninety-six".