51797152 has 24 divisors (see below), whose sum is σ = 111246912. Its totient is φ = 23544000.

The previous prime is 51797117. The next prime is 51797183. The reversal of 51797152 is 25179715.

It is a super-2 number, since 2×51797152² = 5365889910622208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73224 + ... + 73927.

It is an arithmetic number, because the mean of its divisors is an integer number (4635288).

Almost surely, 2^51797152 is an apocalyptic number.

It is an amenable number.

51797152 is an abundant number, since it is smaller than the sum of its proper divisors (59449760).

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

51797152 is a wasteful number, since it uses less digits than its factorization.

51797152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147172 (or 147164 counting only the distinct ones).

The product of its digits is 22050, while the sum is 37.

The square root of 51797152 is about 7197.0238293339. The cubic root of 51797152 is about 372.7651419206.

The spelling of 51797152 in words is "fifty-one million, seven hundred ninety-seven thousand, one hundred fifty-two".