52455144 has 32 divisors (see below), whose sum is σ = 149872320. Its totient is φ = 14987136.

The previous prime is 52455133. The next prime is 52455163. The reversal of 52455144 is 44155425.

It is a Smith number, since the sum of its digits (30) 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 7 ways as a sum of consecutive naturals, for example, 155949 + ... + 156284.

It is an arithmetic number, because the mean of its divisors is an integer number (4683510).

Almost surely, 2^52455144 is an apocalyptic number.

It is an amenable number.

52455144 is an abundant number, since it is smaller than the sum of its proper divisors (97417176).

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

52455144 is a wasteful number, since it uses less digits than its factorization.

52455144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312249 (or 312245 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 52455144 is about 7242.5923535706. The cubic root of 52455144 is about 374.3369474322.

The spelling of 52455144 in words is "fifty-two million, four hundred fifty-five thousand, one hundred forty-four".