55167157 has 2 divisors, whose sum is σ = 55167158. Its totient is φ = 55167156.

The previous prime is 55167121. The next prime is 55167169. The reversal of 55167157 is 75176155.

55167157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41873841 + 13293316 = 6471^2 + 3646^2 .

It is a cyclic number.

It is not a de Polignac number, because 55167157 - 2¹⁵ = 55134389 is a prime.

It is a super-2 number, since 2×55167157² = 6086830422925298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55167457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27583578 + 27583579.

It is an arithmetic number, because the mean of its divisors is an integer number (27583579).

Almost surely, 2^55167157 is an apocalyptic number.

It is an amenable number.

55167157 is a deficient number, since it is larger than the sum of its proper divisors (1).

55167157 is an equidigital number, since it uses as much as digits as its factorization.

55167157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36750, while the sum is 37.

The square root of 55167157 is about 7427.4596599376. The cubic root of 55167157 is about 380.6801231727.

The spelling of 55167157 in words is "fifty-five million, one hundred sixty-seven thousand, one hundred fifty-seven".