55252368 has 80 divisors (see below), whose sum is σ = 160654400. Its totient is φ = 18405792.

The previous prime is 55252349. The next prime is 55252381. The reversal of 55252368 is 86325255.

It is a happy number.

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

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 15 ways as a sum of consecutive naturals, for example, 34203 + ... + 35781.

It is an arithmetic number, because the mean of its divisors is an integer number (2008180).

Almost surely, 2^55252368 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 55252368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80327200).

55252368 is an abundant number, since it is smaller than the sum of its proper divisors (105402032).

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

55252368 is an equidigital number, since it uses as much as digits as its factorization.

55252368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1584 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 55252368 is about 7433.1936608701. The cubic root of 55252368 is about 380.8760214135.

The spelling of 55252368 in words is "fifty-five million, two hundred fifty-two thousand, three hundred sixty-eight".