51330488 has 16 divisors (see below), whose sum is σ = 104994360. Its totient is φ = 23332000.

The previous prime is 51330481. The next prime is 51330491. The reversal of 51330488 is 88403315.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51330481) 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, 291563 + ... + 291738.

Almost surely, 2^51330488 is an apocalyptic number.

It is an amenable number.

51330488 is an abundant number, since it is smaller than the sum of its proper divisors (53663872).

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

51330488 is a wasteful number, since it uses less digits than its factorization.

51330488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583318 (or 583314 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 51330488 is about 7164.5298519861. The cubic root of 51330488 is about 371.6422930609.

The spelling of 51330488 in words is "fifty-one million, three hundred thirty thousand, four hundred eighty-eight".