55458284 has 48 divisors (see below), whose sum is σ = 118153728. Its totient is φ = 22234368.

The previous prime is 55458269. The next prime is 55458329. The reversal of 55458284 is 48285455.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 124967 + ... + 125409.

It is an arithmetic number, because the mean of its divisors is an integer number (2461536).

Almost surely, 2^55458284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55458284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59076864).

55458284 is an abundant number, since it is smaller than the sum of its proper divisors (62695444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55458284 is a wasteful number, since it uses less digits than its factorization.

55458284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 732 counting only the distinct ones).

The product of its digits is 256000, while the sum is 41.

The square root of 55458284 is about 7447.0318919688. The cubic root of 55458284 is about 381.3485878157.

The spelling of 55458284 in words is "fifty-five million, four hundred fifty-eight thousand, two hundred eighty-four".