52531357 has 4 divisors (see below), whose sum is σ = 52731360. Its totient is φ = 52331356.

The previous prime is 52531331. The next prime is 52531361. The reversal of 52531357 is 75313525.

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 a de Polignac number, because none of the positive numbers 2^k-52531357 is a prime.

It is a super-2 number, since 2×52531357² = 5519086936522898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52531307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99607 + ... + 100132.

It is an arithmetic number, because the mean of its divisors is an integer number (13182840).

Almost surely, 2^52531357 is an apocalyptic number.

It is an amenable number.

52531357 is a deficient number, since it is larger than the sum of its proper divisors (200003).

52531357 is a wasteful number, since it uses less digits than its factorization.

52531357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200002.

The product of its digits is 15750, while the sum is 31.

The square root of 52531357 is about 7247.8518886633. The cubic root of 52531357 is about 374.5181532766.

The spelling of 52531357 in words is "fifty-two million, five hundred thirty-one thousand, three hundred fifty-seven".