49890357 has 24 divisors (see below), whose sum is σ = 81247040. Its totient is φ = 30234600.

The previous prime is 49890349. The next prime is 49890367. The reversal of 49890357 is 75309894.

49890357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49890357 - 2³ = 49890349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49890367) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 4369 + ... + 10902.

Almost surely, 2^49890357 is an apocalyptic number.

It is an amenable number.

49890357 is a deficient number, since it is larger than the sum of its proper divisors (31356683).

49890357 is a wasteful number, since it uses less digits than its factorization.

49890357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15302 (or 15285 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 49890357 is about 7063.3106260450. The cubic root of 49890357 is about 368.1336672783.

The spelling of 49890357 in words is "forty-nine million, eight hundred ninety thousand, three hundred fifty-seven".