51450688 has 28 divisors (see below), whose sum is σ = 102412800. Its totient is φ = 25645952.

The previous prime is 51450671. The next prime is 51450691. The reversal of 51450688 is 88605415.

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, 23463 + ... + 25561.

It is an arithmetic number, because the mean of its divisors is an integer number (3657600).

Almost surely, 2^51450688 is an apocalyptic number.

It is an amenable number.

51450688 is a deficient number, since it is larger than the sum of its proper divisors (50962112).

51450688 is a wasteful number, since it uses less digits than its factorization.

51450688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 51450688 is about 7172.9134945293. The cubic root of 51450688 is about 371.9321570503.

The spelling of 51450688 in words is "fifty-one million, four hundred fifty thousand, six hundred eighty-eight".