54869863 has 4 divisors (see below), whose sum is σ = 58097520. Its totient is φ = 51642208.

The previous prime is 54869831. The next prime is 54869873. The reversal of 54869863 is 36896845.

It is a happy number.

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 54869863 - 2⁵ = 54869831 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 (54869873) 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, 1613803 + ... + 1613836.

It is an arithmetic number, because the mean of its divisors is an integer number (14524380).

Almost surely, 2^54869863 is an apocalyptic number.

54869863 is a deficient number, since it is larger than the sum of its proper divisors (3227657).

54869863 is a wasteful number, since it uses less digits than its factorization.

54869863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227656.

The product of its digits is 1244160, while the sum is 49.

The square root of 54869863 is about 7407.4194561939. The cubic root of 54869863 is about 379.9950668796.

The spelling of 54869863 in words is "fifty-four million, eight hundred sixty-nine thousand, eight hundred sixty-three".