55167657 has 16 divisors (see below), whose sum is σ = 76707840. Its totient is φ = 35223552.

The previous prime is 55167649. The next prime is 55167689. The reversal of 55167657 is 75676155.

55167657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55167657 - 2³ = 55167649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55167157) 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 in 15 ways as a sum of consecutive naturals, for example, 8553 + ... + 13545.

It is an arithmetic number, because the mean of its divisors is an integer number (4794240).

Almost surely, 2^55167657 is an apocalyptic number.

It is an amenable number.

55167657 is a deficient number, since it is larger than the sum of its proper divisors (21540183).

55167657 is a wasteful number, since it uses less digits than its factorization.

55167657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152.

The product of its digits is 220500, while the sum is 42.

The square root of 55167657 is about 7427.4933187449. The cubic root of 55167657 is about 380.6812732500.

The spelling of 55167657 in words is "fifty-five million, one hundred sixty-seven thousand, six hundred fifty-seven".