55252356 has 12 divisors (see below), whose sum is σ = 128922192. Its totient is φ = 18417448.

The previous prime is 55252349. The next prime is 55252381. The reversal of 55252356 is 65325255.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2302170 + ... + 2302193.

It is an arithmetic number, because the mean of its divisors is an integer number (10743516).

Almost surely, 2^55252356 is an apocalyptic number.

It is an amenable number.

55252356 is an abundant number, since it is smaller than the sum of its proper divisors (73669836).

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

55252356 is a wasteful number, since it uses less digits than its factorization.

55252356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604370 (or 4604368 counting only the distinct ones).

The product of its digits is 45000, while the sum is 33.

The square root of 55252356 is about 7433.1928536800. The cubic root of 55252356 is about 380.8759938399.

The spelling of 55252356 in words is "fifty-five million, two hundred fifty-two thousand, three hundred fifty-six".