55874863 has 4 divisors (see below), whose sum is σ = 60954408. Its totient is φ = 50795320.

The previous prime is 55874849. The next prime is 55874867. The reversal of 55874863 is 36847855.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55874863 - 2⁵ = 55874831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55874867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2539756 + ... + 2539777.

It is an arithmetic number, because the mean of its divisors is an integer number (15238602).

Almost surely, 2^55874863 is an apocalyptic number.

55874863 is a deficient number, since it is larger than the sum of its proper divisors (5079545).

55874863 is a wasteful number, since it uses less digits than its factorization.

55874863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079544.

The product of its digits is 806400, while the sum is 46.

The square root of 55874863 is about 7474.9490299266. The cubic root of 55874863 is about 382.3010496553.

The spelling of 55874863 in words is "fifty-five million, eight hundred seventy-four thousand, eight hundred sixty-three".