52522457 has 8 divisors (see below), whose sum is σ = 56628936. Its totient is φ = 48425472.

The previous prime is 52522433. The next prime is 52522487. The reversal of 52522457 is 75422525.

It can be written as a sum of positive squares in 4 ways, for example, as 9803161 + 42719296 = 3131^2 + 6536^2 .

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 52522457 - 2¹⁰ = 52521433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52522487) 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, 12713 + ... + 16329.

It is an arithmetic number, because the mean of its divisors is an integer number (7078617).

Almost surely, 2^52522457 is an apocalyptic number.

It is an amenable number.

52522457 is a deficient number, since it is larger than the sum of its proper divisors (4106479).

52522457 is a wasteful number, since it uses less digits than its factorization.

52522457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747.

The product of its digits is 28000, while the sum is 32.

The square root of 52522457 is about 7247.2378876369. The cubic root of 52522457 is about 374.4970014668.

The spelling of 52522457 in words is "fifty-two million, five hundred twenty-two thousand, four hundred fifty-seven".