52991453 has 2 divisors, whose sum is σ = 52991454. Its totient is φ = 52991452.

The previous prime is 52991447. The next prime is 52991461. The reversal of 52991453 is 35419925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40615129 + 12376324 = 6373^2 + 3518^2 .

It is a cyclic number.

It is not a de Polignac number, because 52991453 - 2¹⁰ = 52990429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52991413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26495726 + 26495727.

It is an arithmetic number, because the mean of its divisors is an integer number (26495727).

Almost surely, 2^52991453 is an apocalyptic number.

It is an amenable number.

52991453 is a deficient number, since it is larger than the sum of its proper divisors (1).

52991453 is an equidigital number, since it uses as much as digits as its factorization.

52991453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 38.

The square root of 52991453 is about 7279.5228552426. The cubic root of 52991453 is about 375.6083825288.

The spelling of 52991453 in words is "fifty-two million, nine hundred ninety-one thousand, four hundred fifty-three".