54447885 has 24 divisors (see below), whose sum is σ = 95790240. Its totient is φ = 28603872.

The previous prime is 54447871. The next prime is 54447893. The reversal of 54447885 is 58874445.

It is not a de Polignac number, because 54447885 - 2⁸ = 54447629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 54447885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6015 + ... + 12044.

It is an arithmetic number, because the mean of its divisors is an integer number (3991260).

Almost surely, 2^54447885 is an apocalyptic number.

It is an amenable number.

54447885 is a deficient number, since it is larger than the sum of its proper divisors (41342355).

54447885 is a wasteful number, since it uses less digits than its factorization.

54447885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18137 (or 18134 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 54447885 is about 7378.8810127281. The cubic root of 54447885 is about 379.0184385921.

The spelling of 54447885 in words is "fifty-four million, four hundred forty-seven thousand, eight hundred eighty-five".