55350868 has 12 divisors (see below), whose sum is σ = 98692020. Its totient is φ = 27153152.

The previous prime is 55350859. The next prime is 55350881. The reversal of 55350868 is 86805355.

It can be written as a sum of positive squares in 2 ways, for example, as 47499664 + 7851204 = 6892^2 + 2802^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55350868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130333 + ... + 130756.

It is an arithmetic number, because the mean of its divisors is an integer number (8224335).

Almost surely, 2^55350868 is an apocalyptic number.

It is an amenable number.

55350868 is a deficient number, since it is larger than the sum of its proper divisors (43341152).

55350868 is a wasteful number, since it uses less digits than its factorization.

55350868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261146 (or 261144 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 55350868 is about 7439.8163955840. The cubic root of 55350868 is about 381.1022199622.

The spelling of 55350868 in words is "fifty-five million, three hundred fifty thousand, eight hundred sixty-eight".