54161667 has 12 divisors (see below), whose sum is σ = 89409840. Its totient is φ = 30949488.

The previous prime is 54161633. The next prime is 54161687. The reversal of 54161667 is 76616145.

It is not a de Polignac number, because 54161667 - 2⁶ = 54161603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54161687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429792 + ... + 429917.

It is an arithmetic number, because the mean of its divisors is an integer number (7450820).

Almost surely, 2^54161667 is an apocalyptic number.

54161667 is a deficient number, since it is larger than the sum of its proper divisors (35248173).

54161667 is a wasteful number, since it uses less digits than its factorization.

54161667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859722 (or 859719 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 54161667 is about 7359.4610536370. The cubic root of 54161667 is about 378.3531385329.

The spelling of 54161667 in words is "fifty-four million, one hundred sixty-one thousand, six hundred sixty-seven".