51793015 has 4 divisors (see below), whose sum is σ = 62151624. Its totient is φ = 41434408.

The previous prime is 51792977. The next prime is 51793019. The reversal of 51793015 is 51039715.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51039715 = 5 ⋅10207943.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51793015 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51793019) 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, 5179297 + ... + 5179306.

It is an arithmetic number, because the mean of its divisors is an integer number (15537906).

Almost surely, 2^51793015 is an apocalyptic number.

51793015 is a deficient number, since it is larger than the sum of its proper divisors (10358609).

51793015 is a wasteful number, since it uses less digits than its factorization.

51793015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10358608.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 51793015 is about 7196.7364131250. The cubic root of 51793015 is about 372.7552174981.

The spelling of 51793015 in words is "fifty-one million, seven hundred ninety-three thousand, fifteen".