55267056 has 120 divisors (see below), whose sum is σ = 172005360. Its totient is φ = 16982784.

The previous prime is 55267049. The next prime is 55267063. The reversal of 55267056 is 65076255.

It is an interprime number because it is at equal distance from previous prime (55267049) and next prime (55267063).

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

It is a self number, because there is not a number n which added to its sum of digits gives 55267056.

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, 72630 + ... + 73386.

It is an arithmetic number, because the mean of its divisors is an integer number (1433378).

Almost surely, 2^55267056 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 55267056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86002680).

55267056 is an abundant number, since it is smaller than the sum of its proper divisors (116738304).

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

55267056 is a wasteful number, since it uses less digits than its factorization.

55267056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 55267056 is about 7434.1815958450. The cubic root of 55267056 is about 380.9097684519.

The spelling of 55267056 in words is "fifty-five million, two hundred sixty-seven thousand, fifty-six".