52968491 has 8 divisors (see below), whose sum is σ = 54826368. Its totient is φ = 51120000.

The previous prime is 52968479. The next prime is 52968547. The reversal of 52968491 is 19486925.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52968491 is a prime.

It is a super-2 number, since 2×52968491² = 5611322077634162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52968401) 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, 10301 + ... + 14561.

It is an arithmetic number, because the mean of its divisors is an integer number (6853296).

Almost surely, 2^52968491 is an apocalyptic number.

52968491 is a deficient number, since it is larger than the sum of its proper divisors (1857877).

52968491 is a wasteful number, since it uses less digits than its factorization.

52968491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693.

The product of its digits is 155520, while the sum is 44.

The square root of 52968491 is about 7277.9455205436. The cubic root of 52968491 is about 375.5541224219.

The spelling of 52968491 in words is "fifty-two million, nine hundred sixty-eight thousand, four hundred ninety-one".