55204366 has 32 divisors (see below), whose sum is σ = 98242560. Its totient is φ = 22766400.

The previous prime is 55204363. The next prime is 55204381. The reversal of 55204366 is 66340255.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55204361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134770 + ... + 135178.

It is an arithmetic number, because the mean of its divisors is an integer number (3070080).

Almost surely, 2^55204366 is an apocalyptic number.

55204366 is a deficient number, since it is larger than the sum of its proper divisors (43038194).

55204366 is a wasteful number, since it uses less digits than its factorization.

55204366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 55204366 is about 7429.9640645161. The cubic root of 55204366 is about 380.7656906496.

The spelling of 55204366 in words is "fifty-five million, two hundred four thousand, three hundred sixty-six".