51650715 has 16 divisors (see below), whose sum is σ = 82836000. Its totient is φ = 27482112.

The previous prime is 51650671. The next prime is 51650723. The reversal of 51650715 is 51705615.

It is not a de Polignac number, because 51650715 - 2¹⁰ = 51649691 is a prime.

It is a super-2 number, since 2×51650715² = 5335592720022450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2901 + ... + 10569.

It is an arithmetic number, because the mean of its divisors is an integer number (5177250).

Almost surely, 2^51650715 is an apocalyptic number.

51650715 is a deficient number, since it is larger than the sum of its proper divisors (31185285).

51650715 is a wasteful number, since it uses less digits than its factorization.

51650715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8126.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 51650715 is about 7186.8431873807. The cubic root of 51650715 is about 372.4135258634.

The spelling of 51650715 in words is "fifty-one million, six hundred fifty thousand, seven hundred fifteen".