52481985 has 8 divisors (see below), whose sum is σ = 83971200. Its totient is φ = 27990384.

The previous prime is 52481983. The next prime is 52482007. The reversal of 52481985 is 58918425.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52481985 - 2¹ = 52481983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52481981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1749385 + ... + 1749414.

It is an arithmetic number, because the mean of its divisors is an integer number (10496400).

Almost surely, 2^52481985 is an apocalyptic number.

It is an amenable number.

52481985 is a deficient number, since it is larger than the sum of its proper divisors (31489215).

52481985 is a wasteful number, since it uses less digits than its factorization.

52481985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498807.

The product of its digits is 115200, while the sum is 42.

The square root of 52481985 is about 7244.4451133265. The cubic root of 52481985 is about 374.4007852433.

The spelling of 52481985 in words is "fifty-two million, four hundred eighty-one thousand, nine hundred eighty-five".