55863419 has 4 divisors (see below), whose sum is σ = 55903680. Its totient is φ = 55823160.

The previous prime is 55863413. The next prime is 55863427. The reversal of 55863419 is 91436855.

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 55863419 - 2⁸ = 55863163 is a prime.

It is a super-2 number, since 2×55863419² = 6241443164739122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55863413) 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, 17972 + ... + 20849.

It is an arithmetic number, because the mean of its divisors is an integer number (13975920).

Almost surely, 2^55863419 is an apocalyptic number.

55863419 is a deficient number, since it is larger than the sum of its proper divisors (40261).

55863419 is a wasteful number, since it uses less digits than its factorization.

55863419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40260.

The product of its digits is 129600, while the sum is 41.

The square root of 55863419 is about 7474.1835005571. The cubic root of 55863419 is about 382.2749475663.

The spelling of 55863419 in words is "fifty-five million, eight hundred sixty-three thousand, four hundred nineteen".