54019859 has 4 divisors (see below), whose sum is σ = 54035280. Its totient is φ = 54004440.

The previous prime is 54019841. The next prime is 54019877. The reversal of 54019859 is 95891045.

It is a happy number.

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 (54019841) and next prime (54019877).

It is a cyclic number.

It is not a de Polignac number, because 54019859 - 2¹² = 54015763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54039859) 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, 362 + ... + 10400.

It is an arithmetic number, because the mean of its divisors is an integer number (13508820).

Almost surely, 2^54019859 is an apocalyptic number.

54019859 is a deficient number, since it is larger than the sum of its proper divisors (15421).

54019859 is a wasteful number, since it uses less digits than its factorization.

54019859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15420.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 54019859 is about 7349.8203379402. The cubic root of 54019859 is about 378.0226440528.

The spelling of 54019859 in words is "fifty-four million, nineteen thousand, eight hundred fifty-nine".