52694457 has 4 divisors (see below), whose sum is σ = 70259280. Its totient is φ = 35129636.

The previous prime is 52694437. The next prime is 52694519. The reversal of 52694457 is 75449625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52694457 - 2¹⁸ = 52432313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52694437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8782407 + ... + 8782412.

It is an arithmetic number, because the mean of its divisors is an integer number (17564820).

Almost surely, 2^52694457 is an apocalyptic number.

It is an amenable number.

52694457 is a deficient number, since it is larger than the sum of its proper divisors (17564823).

52694457 is a wasteful number, since it uses less digits than its factorization.

52694457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17564822.

The product of its digits is 302400, while the sum is 42.

The square root of 52694457 is about 7259.0947782764. The cubic root of 52694457 is about 374.9053556708.

The spelling of 52694457 in words is "fifty-two million, six hundred ninety-four thousand, four hundred fifty-seven".