53326531 has 2 divisors, whose sum is σ = 53326532. Its totient is φ = 53326530.

The previous prime is 53326523. The next prime is 53326547. The reversal of 53326531 is 13562335.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53326531 - 2³ = 53326523 is a prime.

It is a super-2 number, since 2×53326531² = 5687437816987922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53326531.

It is not a weakly prime, because it can be changed into another prime (53326561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26663265 + 26663266.

It is an arithmetic number, because the mean of its divisors is an integer number (26663266).

Almost surely, 2^53326531 is an apocalyptic number.

53326531 is a deficient number, since it is larger than the sum of its proper divisors (1).

53326531 is an equidigital number, since it uses as much as digits as its factorization.

53326531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 28.

The square root of 53326531 is about 7302.5016946249. The cubic root of 53326531 is about 376.3984077701.

Adding to 53326531 its reverse (13562335), we get a palindrome (66888866).

The spelling of 53326531 in words is "fifty-three million, three hundred twenty-six thousand, five hundred thirty-one".