55839263 has 4 divisors (see below), whose sum is σ = 56892888. Its totient is φ = 54785640.

The previous prime is 55839257. The next prime is 55839269. The reversal of 55839263 is 36293855.

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

It is an interprime number because it is at equal distance from previous prime (55839257) and next prime (55839269).

It is a cyclic number.

It is not a de Polignac number, because 55839263 - 2¹⁰ = 55838239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55839263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55839269) 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, 526733 + ... + 526838.

It is an arithmetic number, because the mean of its divisors is an integer number (14223222).

Almost surely, 2^55839263 is an apocalyptic number.

55839263 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

55839263 is a deficient number, since it is larger than the sum of its proper divisors (1053625).

55839263 is a wasteful number, since it uses less digits than its factorization.

55839263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053624.

The product of its digits is 194400, while the sum is 41.

The square root of 55839263 is about 7472.5673633631. The cubic root of 55839263 is about 382.2198395600.

The spelling of 55839263 in words is "fifty-five million, eight hundred thirty-nine thousand, two hundred sixty-three".