551856967 has 2 divisors, whose sum is σ = 551856968. Its totient is φ = 551856966.

The previous prime is 551856953. The next prime is 551856989. The reversal of 551856967 is 769658155.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551856967 is a prime.

It is a super-2 number, since 2×551856967² = 609092224052878178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551856467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275928483 + 275928484.

It is an arithmetic number, because the mean of its divisors is an integer number (275928484).

Almost surely, 2^551856967 is an apocalyptic number.

551856967 is a deficient number, since it is larger than the sum of its proper divisors (1).

551856967 is an equidigital number, since it uses as much as digits as its factorization.

551856967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268000, while the sum is 52.

The square root of 551856967 is about 23491.6361073468. The cubic root of 551856967 is about 820.2423272499.

The spelling of 551856967 in words is "five hundred fifty-one million, eight hundred fifty-six thousand, nine hundred sixty-seven".