92139055 has 4 divisors (see below), whose sum is σ = 110566872. Its totient is φ = 73711240.

The previous prime is 92139053. The next prime is 92139059. The reversal of 92139055 is 55093129.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 92139055 - 2¹ = 92139053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 92139055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92139053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9213901 + ... + 9213910.

It is an arithmetic number, because the mean of its divisors is an integer number (27641718).

Almost surely, 2^92139055 is an apocalyptic number.

92139055 is a deficient number, since it is larger than the sum of its proper divisors (18427817).

92139055 is a wasteful number, since it uses less digits than its factorization.

92139055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18427816.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 92139055 is about 9598.9090525955. The cubic root of 92139055 is about 451.6630725209.

The spelling of 92139055 in words is "ninety-two million, one hundred thirty-nine thousand, fifty-five".