47399057 has 2 divisors, whose sum is σ = 47399058. Its totient is φ = 47399056.

The previous prime is 47399047. The next prime is 47399069. The reversal of 47399057 is 75099374.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24512401 + 22886656 = 4951^2 + 4784^2 .

It is a cyclic number.

It is not a de Polignac number, because 47399057 - 2⁴ = 47399041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47398999 and 47399017.

It is not a weakly prime, because it can be changed into another prime (47399047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23699528 + 23699529.

It is an arithmetic number, because the mean of its divisors is an integer number (23699529).

Almost surely, 2^47399057 is an apocalyptic number.

It is an amenable number.

47399057 is a deficient number, since it is larger than the sum of its proper divisors (1).

47399057 is an equidigital number, since it uses as much as digits as its factorization.

47399057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 47399057 is about 6884.6973063454. The cubic root of 47399057 is about 361.9010977944.

The spelling of 47399057 in words is "forty-seven million, three hundred ninety-nine thousand, fifty-seven".