52274521 has 8 divisors (see below), whose sum is σ = 56448000. Its totient is φ = 48122832.

The previous prime is 52274513. The next prime is 52274533. The reversal of 52274521 is 12547225.

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

It is a cyclic number.

It is not a de Polignac number, because 52274521 - 2³ = 52274513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52274521.

It is not an unprimeable number, because it can be changed into a prime (52274921) 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, 271 + ... + 10228.

It is an arithmetic number, because the mean of its divisors is an integer number (7056000).

Almost surely, 2^52274521 is an apocalyptic number.

It is an amenable number.

52274521 is a deficient number, since it is larger than the sum of its proper divisors (4173479).

52274521 is a wasteful number, since it uses less digits than its factorization.

52274521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10895.

The product of its digits is 5600, while the sum is 28.

The square root of 52274521 is about 7230.1121014822. The cubic root of 52274521 is about 373.9067918565.

The spelling of 52274521 in words is "fifty-two million, two hundred seventy-four thousand, five hundred twenty-one".