51537248 has 24 divisors (see below), whose sum is σ = 115959312. Its totient is φ = 22087296.

The previous prime is 51537229. The next prime is 51537259. The reversal of 51537248 is 84273515.

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 3 ways as a sum of consecutive naturals, for example, 114815 + ... + 115262.

It is an arithmetic number, because the mean of its divisors is an integer number (4831638).

Almost surely, 2^51537248 is an apocalyptic number.

It is an amenable number.

51537248 is an abundant number, since it is smaller than the sum of its proper divisors (64422064).

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

51537248 is a wasteful number, since it uses less digits than its factorization.

51537248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230094 (or 230086 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 51537248 is about 7178.9447692540. The cubic root of 51537248 is about 372.1406182073.

The spelling of 51537248 in words is "fifty-one million, five hundred thirty-seven thousand, two hundred forty-eight".