55855862 has 16 divisors (see below), whose sum is σ = 87032832. Its totient is φ = 26856360.

The previous prime is 55855861. The next prime is 55855867. The reversal of 55855862 is 26855855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55855861) 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, 7343 + ... + 12869.

It is an arithmetic number, because the mean of its divisors is an integer number (5439552).

Almost surely, 2^55855862 is an apocalyptic number.

55855862 is a deficient number, since it is larger than the sum of its proper divisors (31176970).

55855862 is a wasteful number, since it uses less digits than its factorization.

55855862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723.

The product of its digits is 480000, while the sum is 44.

The square root of 55855862 is about 7473.6779432887. The cubic root of 55855862 is about 382.2577092011.

The spelling of 55855862 in words is "fifty-five million, eight hundred fifty-five thousand, eight hundred sixty-two".