5555772 has 72 divisors (see below), whose sum is σ = 14910896. Its totient is φ = 1741824.

The previous prime is 5555747. The next prime is 5555777. The reversal of 5555772 is 2775555.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57228 + ... + 57324.

Almost surely, 2^5555772 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 5555772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7455448).

5555772 is an abundant number, since it is smaller than the sum of its proper divisors (9355124).

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

5555772 is a wasteful number, since it uses less digits than its factorization.

5555772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 182 counting only the distinct ones).

The product of its digits is 61250, while the sum is 36.

The square root of 5555772 is about 2357.0685183083. The cubic root of 5555772 is about 177.1120615660.

The spelling of 5555772 in words is "five million, five hundred fifty-five thousand, seven hundred seventy-two".