51895117 has 4 divisors (see below), whose sum is σ = 52034620. Its totient is φ = 51755988.

The previous prime is 51895093. The next prime is 51895141. The reversal of 51895117 is 71159815.

The cubic root of 51895117 is 373.

It is a perfect power (a cube), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (51895093) and next prime (51895141).

It can be written as a sum of positive squares in 2 ways, for example, as 10150596 + 41744521 = 3186^2 + 6461^2 .

It is not a de Polignac number, because 51895117 - 2¹⁹ = 51370829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51895177) 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, 138943 + ... + 139315.

It is an arithmetic number, because the mean of its divisors is an integer number (13008655).

Almost surely, 2^51895117 is an apocalyptic number.

It is an amenable number.

51895117 is a deficient number, since it is larger than the sum of its proper divisors (139503).

51895117 is an frugal number, since it uses more digits than its factorization.

51895117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119 (or 373 counting only the distinct ones).

The product of its digits is 12600, while the sum is 37.

The square root of 51895117 is about 7203.8265526038.

The spelling of 51895117 in words is "fifty-one million, eight hundred ninety-five thousand, one hundred seventeen".