53249974 has 8 divisors (see below), whose sum is σ = 82629360. Its totient is φ = 25706856.

The previous prime is 53249921. The next prime is 53249983. The reversal of 53249974 is 47994235.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53249974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458994 + ... + 459109.

It is an arithmetic number, because the mean of its divisors is an integer number (10328670).

Almost surely, 2^53249974 is an apocalyptic number.

53249974 is a deficient number, since it is larger than the sum of its proper divisors (29379386).

53249974 is a wasteful number, since it uses less digits than its factorization.

53249974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918134.

The product of its digits is 272160, while the sum is 43.

The square root of 53249974 is about 7297.2579781723. The cubic root of 53249974 is about 376.2181989509.

The spelling of 53249974 in words is "fifty-three million, two hundred forty-nine thousand, nine hundred seventy-four".