51237488 has 20 divisors (see below), whose sum is σ = 100957080. Its totient is φ = 25184064.

The previous prime is 51237481. The next prime is 51237493. The reversal of 51237488 is 88473215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51237481) 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, 26195 + ... + 28082.

It is an arithmetic number, because the mean of its divisors is an integer number (5047854).

Almost surely, 2^51237488 is an apocalyptic number.

It is an amenable number.

51237488 is a deficient number, since it is larger than the sum of its proper divisors (49719592).

51237488 is a wasteful number, since it uses less digits than its factorization.

51237488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54344 (or 54338 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 51237488 is about 7158.0366023093. The cubic root of 51237488 is about 371.4177116013.

The spelling of 51237488 in words is "fifty-one million, two hundred thirty-seven thousand, four hundred eighty-eight".