47855057 has 2 divisors, whose sum is σ = 47855058. Its totient is φ = 47855056.

The previous prime is 47855021. The next prime is 47855063. The reversal of 47855057 is 75055874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24196561 + 23658496 = 4919^2 + 4864^2 .

It is a cyclic number.

It is not a de Polignac number, because 47855057 - 2¹⁰ = 47854033 is a prime.

It is not a weakly prime, because it can be changed into another prime (47855557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23927528 + 23927529.

It is an arithmetic number, because the mean of its divisors is an integer number (23927529).

Almost surely, 2^47855057 is an apocalyptic number.

It is an amenable number.

47855057 is a deficient number, since it is larger than the sum of its proper divisors (1).

47855057 is an equidigital number, since it uses as much as digits as its factorization.

47855057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 47855057 is about 6917.7349616764. The cubic root of 47855057 is about 363.0579457062.

The spelling of 47855057 in words is "forty-seven million, eight hundred fifty-five thousand, fifty-seven".