51156167 has 2 divisors, whose sum is σ = 51156168. Its totient is φ = 51156166.

The previous prime is 51156143. The next prime is 51156181. The reversal of 51156167 is 76165115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51156167 - 2⁸ = 51155911 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51156067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25578083 + 25578084.

It is an arithmetic number, because the mean of its divisors is an integer number (25578084).

Almost surely, 2^51156167 is an apocalyptic number.

51156167 is a deficient number, since it is larger than the sum of its proper divisors (1).

51156167 is an equidigital number, since it uses as much as digits as its factorization.

51156167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 32.

The square root of 51156167 is about 7152.3539481768. The cubic root of 51156167 is about 371.2211104124.

The spelling of 51156167 in words is "fifty-one million, one hundred fifty-six thousand, one hundred sixty-seven".