46985557 has 2 divisors, whose sum is σ = 46985558. Its totient is φ = 46985556.

The previous prime is 46985509. The next prime is 46985567. The reversal of 46985557 is 75558964.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41036836 + 5948721 = 6406^2 + 2439^2 .

It is a cyclic number.

It is not a de Polignac number, because 46985557 - 2¹⁹ = 46461269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46985557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46985567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23492778 + 23492779.

It is an arithmetic number, because the mean of its divisors is an integer number (23492779).

Almost surely, 2^46985557 is an apocalyptic number.

It is an amenable number.

46985557 is a deficient number, since it is larger than the sum of its proper divisors (1).

46985557 is an equidigital number, since it uses as much as digits as its factorization.

46985557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 49.

The square root of 46985557 is about 6854.6011554284. The cubic root of 46985557 is about 360.8456380741.

The spelling of 46985557 in words is "forty-six million, nine hundred eighty-five thousand, five hundred fifty-seven".