49581155667 has 16 divisors (see below), whose sum is σ = 68590772640. Its totient is φ = 31819587072.

The previous prime is 49581155653. The next prime is 49581155681. The reversal of 49581155667 is 76655118594.

It is an interprime number because it is at equal distance from previous prime (49581155653) and next prime (49581155681).

It is not a de Polignac number, because 49581155667 - 2⁴ = 49581155651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49581155567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816228 + ... + 874865.

It is an arithmetic number, because the mean of its divisors is an integer number (4286923290).

Almost surely, 2^49581155667 is an apocalyptic number.

49581155667 is a deficient number, since it is larger than the sum of its proper divisors (19009616973).

49581155667 is a wasteful number, since it uses less digits than its factorization.

49581155667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691462.

The product of its digits is 9072000, while the sum is 57.

The spelling of 49581155667 in words is "forty-nine billion, five hundred eighty-one million, one hundred fifty-five thousand, six hundred sixty-seven".