52529997 has 16 divisors (see below), whose sum is σ = 76465088. Its totient is φ = 31881600.

The previous prime is 52529987. The next prime is 52530007. The reversal of 52529997 is 79992525.

It is an interprime number because it is at equal distance from previous prime (52529987) and next prime (52530007).

It is a de Polignac number, because none of the positive numbers 2^k-52529997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52529987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6379 + ... + 12072.

It is an arithmetic number, because the mean of its divisors is an integer number (4779068).

Almost surely, 2^52529997 is an apocalyptic number.

It is an amenable number.

52529997 is a deficient number, since it is larger than the sum of its proper divisors (23935091).

52529997 is a wasteful number, since it uses less digits than its factorization.

52529997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18540.

The product of its digits is 510300, while the sum is 48.

The square root of 52529997 is about 7247.7580671543. The cubic root of 52529997 is about 374.5149212446.

The spelling of 52529997 in words is "fifty-two million, five hundred twenty-nine thousand, nine hundred ninety-seven".