49086566 has 4 divisors (see below), whose sum is σ = 73629852. Its totient is φ = 24543282.

The previous prime is 49086563. The next prime is 49086593. The reversal of 49086566 is 66568094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66568094 = 2 ⋅33284047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49086563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12271640 + ... + 12271643.

It is an arithmetic number, because the mean of its divisors is an integer number (18407463).

Almost surely, 2^49086566 is an apocalyptic number.

49086566 is a deficient number, since it is larger than the sum of its proper divisors (24543286).

49086566 is a wasteful number, since it uses less digits than its factorization.

49086566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24543285.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 49086566 is about 7006.1805571938. The cubic root of 49086566 is about 366.1459350154.

The spelling of 49086566 in words is "forty-nine million, eighty-six thousand, five hundred sixty-six".