49890549 has 8 divisors (see below), whose sum is σ = 66710592. Its totient is φ = 33165440.

The previous prime is 49890521. The next prime is 49890557. The reversal of 49890549 is 94509894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49890549 - 2⁸ = 49890293 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 49890498 and 49890507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49890559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22497 + ... + 24614.

It is an arithmetic number, because the mean of its divisors is an integer number (8338824).

Almost surely, 2^49890549 is an apocalyptic number.

It is an amenable number.

49890549 is a deficient number, since it is larger than the sum of its proper divisors (16820043).

49890549 is a wasteful number, since it uses less digits than its factorization.

49890549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47467.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 49890549 is about 7063.3242173923. The cubic root of 49890549 is about 368.1341395244.

The spelling of 49890549 in words is "forty-nine million, eight hundred ninety thousand, five hundred forty-nine".