52357447 has 2 divisors, whose sum is σ = 52357448. Its totient is φ = 52357446.

The previous prime is 52357423. The next prime is 52357463. The reversal of 52357447 is 74475325.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52357447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52357477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26178723 + 26178724.

It is an arithmetic number, because the mean of its divisors is an integer number (26178724).

Almost surely, 2^52357447 is an apocalyptic number.

52357447 is a deficient number, since it is larger than the sum of its proper divisors (1).

52357447 is an equidigital number, since it uses as much as digits as its factorization.

52357447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 37.

The square root of 52357447 is about 7235.8445947933. The cubic root of 52357447 is about 374.1044038264.

It can be divided in two parts, 523 and 57447, that added together give a triangular number (57970 = T₃₄₀).

The spelling of 52357447 in words is "fifty-two million, three hundred fifty-seven thousand, four hundred forty-seven".