56951567 has 2 divisors, whose sum is σ = 56951568. Its totient is φ = 56951566.

The previous prime is 56951561. The next prime is 56951597. The reversal of 56951567 is 76515965.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56951567 - 2⁴ = 56951551 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 (56951561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28475783 + 28475784.

It is an arithmetic number, because the mean of its divisors is an integer number (28475784).

Almost surely, 2^56951567 is an apocalyptic number.

56951567 is a deficient number, since it is larger than the sum of its proper divisors (1).

56951567 is an equidigital number, since it uses as much as digits as its factorization.

56951567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 283500, while the sum is 44.

The square root of 56951567 is about 7546.6261998326. The cubic root of 56951567 is about 384.7410796344.

The spelling of 56951567 in words is "fifty-six million, nine hundred fifty-one thousand, five hundred sixty-seven".