18472055 has 16 divisors (see below), whose sum is σ = 25406784. Its totient is φ = 12629760.

The previous prime is 18472049. The next prime is 18472061. The reversal of 18472055 is 55027481.

It is an interprime number because it is at equal distance from previous prime (18472049) and next prime (18472061).

It is not a de Polignac number, because 18472055 - 2²⁰ = 17423479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17729 + ... + 18741.

It is an arithmetic number, because the mean of its divisors is an integer number (1587924).

Almost surely, 2^18472055 is an apocalyptic number.

18472055 is a deficient number, since it is larger than the sum of its proper divisors (6934729).

18472055 is a wasteful number, since it uses less digits than its factorization.

18472055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 18472055 is about 4297.9128655663. The cubic root of 18472055 is about 264.3453879652.

The spelling of 18472055 in words is "eighteen million, four hundred seventy-two thousand, fifty-five".