51310136 has 32 divisors (see below), whose sum is σ = 97880400. Its totient is φ = 25213440.

The previous prime is 51310109. The next prime is 51310151. The reversal of 51310136 is 63101315.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190610 + ... + 190878.

Almost surely, 2^51310136 is an apocalyptic number.

It is an amenable number.

51310136 is a deficient number, since it is larger than the sum of its proper divisors (46570264).

51310136 is a wasteful number, since it uses less digits than its factorization.

51310136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 51310136 is about 7163.1093807089. The cubic root of 51310136 is about 371.5931691445.

The spelling of 51310136 in words is "fifty-one million, three hundred ten thousand, one hundred thirty-six".