55276236 has 48 divisors (see below), whose sum is σ = 144439680. Its totient is φ = 18280080.

The previous prime is 55276229. The next prime is 55276253. The reversal of 55276236 is 63267255.

It is a happy number.

55276236 is a `hidden beast` number, since 5 + 5 + 27 + 623 + 6 = 666.

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 55276236.

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, 12195 + ... + 16101.

It is an arithmetic number, because the mean of its divisors is an integer number (3009160).

Almost surely, 2^55276236 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 55276236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72219840).

55276236 is an abundant number, since it is smaller than the sum of its proper divisors (89163444).

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

55276236 is a wasteful number, since it uses less digits than its factorization.

55276236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051 (or 4043 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 55276236 is about 7434.7989885403. The cubic root of 55276236 is about 380.9308573147.

The spelling of 55276236 in words is "fifty-five million, two hundred seventy-six thousand, two hundred thirty-six".