47539057 has 2 divisors, whose sum is σ = 47539058. Its totient is φ = 47539056.

The previous prime is 47539003. The next prime is 47539061. The reversal of 47539057 is 75093574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40335201 + 7203856 = 6351^2 + 2684^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47539057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47537057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23769528 + 23769529.

It is an arithmetic number, because the mean of its divisors is an integer number (23769529).

Almost surely, 2^47539057 is an apocalyptic number.

It is an amenable number.

47539057 is a deficient number, since it is larger than the sum of its proper divisors (1).

47539057 is an equidigital number, since it uses as much as digits as its factorization.

47539057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 47539057 is about 6894.8572864128. The cubic root of 47539057 is about 362.2570567192.

The spelling of 47539057 in words is "forty-seven million, five hundred thirty-nine thousand, fifty-seven".