55091194 has 4 divisors (see below), whose sum is σ = 82636794. Its totient is φ = 27545596.

The previous prime is 55091177. The next prime is 55091269. The reversal of 55091194 is 49119055.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 54390625 + 700569 = 7375^2 + 837^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13772797 + ... + 13772800.

Almost surely, 2^55091194 is an apocalyptic number.

55091194 is a deficient number, since it is larger than the sum of its proper divisors (27545600).

55091194 is a wasteful number, since it uses less digits than its factorization.

55091194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27545599.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 55091194 is about 7422.3442388507. The cubic root of 55091194 is about 380.5053157406.

The spelling of 55091194 in words is "fifty-five million, ninety-one thousand, one hundred ninety-four".