49790691 has 12 divisors (see below), whose sum is σ = 73277568. Its totient is φ = 32567184.

The previous prime is 49790669. The next prime is 49790693. The reversal of 49790691 is 19609794.

It is not a de Polignac number, because 49790691 - 2⁶ = 49790627 is a prime.

It is a super-2 number, since 2×49790691² = 4958225820514962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49790693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51715 + ... + 52668.

It is an arithmetic number, because the mean of its divisors is an integer number (6106464).

Almost surely, 2^49790691 is an apocalyptic number.

49790691 is a deficient number, since it is larger than the sum of its proper divisors (23486877).

49790691 is a wasteful number, since it uses less digits than its factorization.

49790691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104442 (or 104439 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 49790691 is about 7056.2519087686. The cubic root of 49790691 is about 367.8883635657. Note that the first 3 decimals are identical.

The spelling of 49790691 in words is "forty-nine million, seven hundred ninety thousand, six hundred ninety-one".