52421959 has 2 divisors, whose sum is σ = 52421960. Its totient is φ = 52421958.

The previous prime is 52421911. The next prime is 52421977. The reversal of 52421959 is 95912425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52421959 - 2¹¹ = 52419911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52421909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26210979 + 26210980.

It is an arithmetic number, because the mean of its divisors is an integer number (26210980).

Almost surely, 2^52421959 is an apocalyptic number.

52421959 is a deficient number, since it is larger than the sum of its proper divisors (1).

52421959 is an equidigital number, since it uses as much as digits as its factorization.

52421959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 37.

The square root of 52421959 is about 7240.3010296534. The cubic root of 52421959 is about 374.2579911330.

The spelling of 52421959 in words is "fifty-two million, four hundred twenty-one thousand, nine hundred fifty-nine".