55167319 has 2 divisors, whose sum is σ = 55167320. Its totient is φ = 55167318.

The previous prime is 55167269. The next prime is 55167337. The reversal of 55167319 is 91376155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55167319 - 2¹³ = 55159127 is a prime.

It is a super-2 number, since 2×55167319² = 6086866171295522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55167349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27583659 + 27583660.

It is an arithmetic number, because the mean of its divisors is an integer number (27583660).

Almost surely, 2^55167319 is an apocalyptic number.

55167319 is a deficient number, since it is larger than the sum of its proper divisors (1).

55167319 is an equidigital number, since it uses as much as digits as its factorization.

55167319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28350, while the sum is 37.

The square root of 55167319 is about 7427.4705654078. The cubic root of 55167319 is about 380.6804957985.

The spelling of 55167319 in words is "fifty-five million, one hundred sixty-seven thousand, three hundred nineteen".