51375288 has 16 divisors (see below), whose sum is σ = 128438280. Its totient is φ = 17125088.

The previous prime is 51375287. The next prime is 51375299. The reversal of 51375288 is 88257315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51375281) 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, 1070295 + ... + 1070342.

Almost surely, 2^51375288 is an apocalyptic number.

It is an amenable number.

51375288 is an abundant number, since it is smaller than the sum of its proper divisors (77062992).

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

51375288 is a wasteful number, since it uses less digits than its factorization.

51375288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140646 (or 2140642 counting only the distinct ones).

The product of its digits is 67200, while the sum is 39.

The square root of 51375288 is about 7167.6556836946. The cubic root of 51375288 is about 371.7503817358.

The spelling of 51375288 in words is "fifty-one million, three hundred seventy-five thousand, two hundred eighty-eight".