55205394 has 16 divisors (see below), whose sum is σ = 111153600. Its totient is φ = 18278000.

The previous prime is 55205377. The next prime is 55205419. The reversal of 55205394 is 49350255.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29982 + ... + 31769.

It is an arithmetic number, because the mean of its divisors is an integer number (6947100).

Almost surely, 2^55205394 is an apocalyptic number.

55205394 is an abundant number, since it is smaller than the sum of its proper divisors (55948206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55205394 is a wasteful number, since it uses less digits than its factorization.

55205394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61905.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 55205394 is about 7430.0332435326. The cubic root of 55205394 is about 380.7680541384.

The spelling of 55205394 in words is "fifty-five million, two hundred five thousand, three hundred ninety-four".