51163315 has 8 divisors (see below), whose sum is σ = 70166880. Its totient is φ = 35083392.

The previous prime is 51163309. The next prime is 51163327. The reversal of 51163315 is 51336115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51163315 - 2⁵ = 51163283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51163315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730870 + ... + 730939.

It is an arithmetic number, because the mean of its divisors is an integer number (8770860).

Almost surely, 2^51163315 is an apocalyptic number.

51163315 is a deficient number, since it is larger than the sum of its proper divisors (19003565).

51163315 is a wasteful number, since it uses less digits than its factorization.

51163315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461821.

The product of its digits is 1350, while the sum is 25.

The square root of 51163315 is about 7152.8536263508. The cubic root of 51163315 is about 371.2383997252.

The spelling of 51163315 in words is "fifty-one million, one hundred sixty-three thousand, three hundred fifteen".