51364017 has 16 divisors (see below), whose sum is σ = 78720000. Its totient is φ = 33061392.

The previous prime is 51364003. The next prime is 51364039. The reversal of 51364017 is 71046315.

51364017 is a `hidden beast` number, since 5 + 1 + 3 + 640 + 17 = 666.

It is not a de Polignac number, because 51364017 - 2⁷ = 51363889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (51364057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32017 + ... + 33582.

It is an arithmetic number, because the mean of its divisors is an integer number (4920000).

Almost surely, 2^51364017 is an apocalyptic number.

It is an amenable number.

51364017 is a deficient number, since it is larger than the sum of its proper divisors (27355983).

51364017 is a wasteful number, since it uses less digits than its factorization.

51364017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65637 (or 65631 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 51364017 is about 7166.8694002333. The cubic root of 51364017 is about 371.7231941835.

The spelling of 51364017 in words is "fifty-one million, three hundred sixty-four thousand, seventeen".