51476709936 has 20 divisors (see below), whose sum is σ = 132981500792. Its totient is φ = 17158903296.

The previous prime is 51476709919. The next prime is 51476709953. The reversal of 51476709936 is 63990767415.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51476709919) and next prime (51476709953).

It is a super-2 number, since 2×51476709936² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536215681 + ... + 536215776.

Almost surely, 2^51476709936 is an apocalyptic number.

It is an amenable number.

51476709936 is an abundant number, since it is smaller than the sum of its proper divisors (81504790856).

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

51476709936 is a wasteful number, since it uses less digits than its factorization.

51476709936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072431468 (or 1072431462 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 51476709936 in words is "fifty-one billion, four hundred seventy-six million, seven hundred nine thousand, nine hundred thirty-six".