51715190 has 32 divisors (see below), whose sum is σ = 100198944. Its totient is φ = 19146240.

The previous prime is 51715189. The next prime is 51715199. The reversal of 51715190 is 9151715.

51715190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51715190² = 5348921753472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51715199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7877 + ... + 12863.

It is an arithmetic number, because the mean of its divisors is an integer number (3131217).

Almost surely, 2^51715190 is an apocalyptic number.

51715190 is a deficient number, since it is larger than the sum of its proper divisors (48483754).

51715190 is a wasteful number, since it uses less digits than its factorization.

51715190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072.

The product of its (nonzero) digits is 1575, while the sum is 29.

The square root of 51715190 is about 7191.3274157140. The cubic root of 51715190 is about 372.5684212859.

The spelling of 51715190 in words is "fifty-one million, seven hundred fifteen thousand, one hundred ninety".