52455407 has 2 divisors, whose sum is σ = 52455408. Its totient is φ = 52455406.

The previous prime is 52455401. The next prime is 52455449. The reversal of 52455407 is 70455425.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52455407 - 2²⁴ = 35678191 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52455401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26227703 + 26227704.

It is an arithmetic number, because the mean of its divisors is an integer number (26227704).

Almost surely, 2^52455407 is an apocalyptic number.

52455407 is a deficient number, since it is larger than the sum of its proper divisors (1).

52455407 is an equidigital number, since it uses as much as digits as its factorization.

52455407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 52455407 is about 7242.6105100302. The cubic root of 52455407 is about 374.3375730490.

The spelling of 52455407 in words is "fifty-two million, four hundred fifty-five thousand, four hundred seven".