49490566 has 4 divisors (see below), whose sum is σ = 74235852. Its totient is φ = 24745282.

The previous prime is 49490527. The next prime is 49490591. The reversal of 49490566 is 66509494.

It is a happy number.

49490566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66509494 = 2 ⋅33254747.

It is a super-2 number, since 2×49490566² = 4898632246000712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12372640 + ... + 12372643.

It is an arithmetic number, because the mean of its divisors is an integer number (18558963).

Almost surely, 2^49490566 is an apocalyptic number.

49490566 is a deficient number, since it is larger than the sum of its proper divisors (24745286).

49490566 is a wasteful number, since it uses less digits than its factorization.

49490566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24745285.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 49490566 is about 7034.9531626017. The cubic root of 49490566 is about 367.1476957523.

The spelling of 49490566 in words is "forty-nine million, four hundred ninety thousand, five hundred sixty-six".