51353136 has 40 divisors (see below), whose sum is σ = 147403760. Its totient is φ = 17117568.

The previous prime is 51353123. The next prime is 51353149. The reversal of 51353136 is 63135315.

It is an interprime number because it is at equal distance from previous prime (51353123) and next prime (51353149).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 59005 + ... + 59868.

It is an arithmetic number, because the mean of its divisors is an integer number (3685094).

Almost surely, 2^51353136 is an apocalyptic number.

It is an amenable number.

51353136 is an abundant number, since it is smaller than the sum of its proper divisors (96050624).

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

51353136 is a wasteful number, since it uses less digits than its factorization.

51353136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118890 (or 118878 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 51353136 is about 7166.1102419653. The cubic root of 51353136 is about 371.6969436034.

The spelling of 51353136 in words is "fifty-one million, three hundred fifty-three thousand, one hundred thirty-six".