51845488 has 20 divisors (see below), whose sum is σ = 101724640. Its totient is φ = 25593984.

The previous prime is 51845467. The next prime is 51845489. The reversal of 51845488 is 88454815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51845489) 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, 19245 + ... + 21772.

It is an arithmetic number, because the mean of its divisors is an integer number (5086232).

Almost surely, 2^51845488 is an apocalyptic number.

It is an amenable number.

51845488 is a deficient number, since it is larger than the sum of its proper divisors (49879152).

51845488 is a wasteful number, since it uses less digits than its factorization.

51845488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41104 (or 41098 counting only the distinct ones).

The product of its digits is 204800, while the sum is 43.

The square root of 51845488 is about 7200.3811010251. The cubic root of 51845488 is about 372.8810580372.

The spelling of 51845488 in words is "fifty-one million, eight hundred forty-five thousand, four hundred eighty-eight".