54103999 has 2 divisors, whose sum is σ = 54104000. Its totient is φ = 54103998.

The previous prime is 54103991. The next prime is 54104069. The reversal of 54103999 is 99930145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54103999 - 2³ = 54103991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54103991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27051999 + 27052000.

It is an arithmetic number, because the mean of its divisors is an integer number (27052000).

Almost surely, 2^54103999 is an apocalyptic number.

54103999 is a deficient number, since it is larger than the sum of its proper divisors (1).

54103999 is an equidigital number, since it uses as much as digits as its factorization.

54103999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 54103999 is about 7355.5420602427. The cubic root of 54103999 is about 378.2188084899.

It can be divided in two parts, 5410 and 3999, that added together give a square (9409 = 97²).

The spelling of 54103999 in words is "fifty-four million, one hundred three thousand, nine hundred ninety-nine".