54872999 has 2 divisors, whose sum is σ = 54873000. Its totient is φ = 54872998.

The previous prime is 54872929. The next prime is 54873011. The reversal of 54872999 is 99927845.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54872999 is a prime.

It is a super-2 number, since 2×54872999² = 6022092038508002, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54872999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54872929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27436499 + 27436500.

It is an arithmetic number, because the mean of its divisors is an integer number (27436500).

Almost surely, 2^54872999 is an apocalyptic number.

54872999 is a deficient number, since it is larger than the sum of its proper divisors (1).

54872999 is an equidigital number, since it uses as much as digits as its factorization.

54872999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 53.

The square root of 54872999 is about 7407.6311328251. The cubic root of 54872999 is about 380.0023060802.

The spelling of 54872999 in words is "fifty-four million, eight hundred seventy-two thousand, nine hundred ninety-nine".