49581667 has 2 divisors, whose sum is σ = 49581668. Its totient is φ = 49581666.

The previous prime is 49581641. The next prime is 49581683. The reversal of 49581667 is 76618594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49581667 - 2²³ = 41193059 is a prime.

It is not a weakly prime, because it can be changed into another prime (49581067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24790833 + 24790834.

It is an arithmetic number, because the mean of its divisors is an integer number (24790834).

Almost surely, 2^49581667 is an apocalyptic number.

49581667 is a deficient number, since it is larger than the sum of its proper divisors (1).

49581667 is an equidigital number, since it uses as much as digits as its factorization.

49581667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 49581667 is about 7041.4250688337. The cubic root of 49581667 is about 367.3728364391.

The spelling of 49581667 in words is "forty-nine million, five hundred eighty-one thousand, six hundred sixty-seven".