49780357 has 8 divisors (see below), whose sum is σ = 54486432. Its totient is φ = 45104400.

The previous prime is 49780343. The next prime is 49780373. The reversal of 49780357 is 75308794.

It is a happy number.

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

It is not a de Polignac number, because 49780357 - 2¹⁵ = 49747589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49780337) 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, 3994 + ... + 10747.

It is an arithmetic number, because the mean of its divisors is an integer number (6810804).

Almost surely, 2^49780357 is an apocalyptic number.

It is an amenable number.

49780357 is a deficient number, since it is larger than the sum of its proper divisors (4706075).

49780357 is a wasteful number, since it uses less digits than its factorization.

49780357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15059.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 49780357 is about 7055.5196123319. The cubic root of 49780357 is about 367.8629102041.

The spelling of 49780357 in words is "forty-nine million, seven hundred eighty thousand, three hundred fifty-seven".