52291497 has 8 divisors (see below), whose sum is σ = 70053280. Its totient is φ = 34695360.

The previous prime is 52291469. The next prime is 52291511. The reversal of 52291497 is 79419225.

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

It is not a de Polignac number, because 52291497 - 2⁸ = 52291241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52291297) 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, 40672 + ... + 41937.

It is an arithmetic number, because the mean of its divisors is an integer number (8756660).

Almost surely, 2^52291497 is an apocalyptic number.

It is an amenable number.

52291497 is a deficient number, since it is larger than the sum of its proper divisors (17761783).

52291497 is a wasteful number, since it uses less digits than its factorization.

52291497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82823.

The product of its digits is 45360, while the sum is 39.

The square root of 52291497 is about 7231.2859852173. The cubic root of 52291497 is about 373.9472625268.

The spelling of 52291497 in words is "fifty-two million, two hundred ninety-one thousand, four hundred ninety-seven".