55107158 has 4 divisors (see below), whose sum is σ = 82660740. Its totient is φ = 27553578.

The previous prime is 55107139. The next prime is 55107167. The reversal of 55107158 is 85170155.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13776788 + ... + 13776791.

It is an arithmetic number, because the mean of its divisors is an integer number (20665185).

Almost surely, 2^55107158 is an apocalyptic number.

55107158 is a deficient number, since it is larger than the sum of its proper divisors (27553582).

55107158 is a wasteful number, since it uses less digits than its factorization.

55107158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27553581.

The product of its (nonzero) digits is 7000, while the sum is 32.

The square root of 55107158 is about 7423.4195624389. The cubic root of 55107158 is about 380.5420657169.

The spelling of 55107158 in words is "fifty-five million, one hundred seven thousand, one hundred fifty-eight".