55194790 has 16 divisors (see below), whose sum is σ = 113543712. Its totient is φ = 18923904.

The previous prime is 55194731. The next prime is 55194793. The reversal of 55194790 is 9749155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55194793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394179 + ... + 394318.

It is an arithmetic number, because the mean of its divisors is an integer number (7096482).

Almost surely, 2^55194790 is an apocalyptic number.

55194790 is an abundant number, since it is smaller than the sum of its proper divisors (58348922).

55194790 is a wasteful number, since it uses less digits than its factorization.

55194790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788511.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 55194790 is about 7429.3196189153. The cubic root of 55194790 is about 380.7436729279.

The spelling of 55194790 in words is "fifty-five million, one hundred ninety-four thousand, seven hundred ninety".