51755492 has 12 divisors (see below), whose sum is σ = 93494016. Its totient is φ = 25042920.

The previous prime is 51755479. The next prime is 51755503. The reversal of 51755492 is 29455715.

It is a happy number.

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, 208568 + ... + 208815.

It is an arithmetic number, because the mean of its divisors is an integer number (7791168).

Almost surely, 2^51755492 is an apocalyptic number.

It is an amenable number.

51755492 is a deficient number, since it is larger than the sum of its proper divisors (41738524).

51755492 is a wasteful number, since it uses less digits than its factorization.

51755492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417418 (or 417416 counting only the distinct ones).

The product of its digits is 63000, while the sum is 38.

The square root of 51755492 is about 7194.1289952294. The cubic root of 51755492 is about 372.6651778591.

The spelling of 51755492 in words is "fifty-one million, seven hundred fifty-five thousand, four hundred ninety-two".