49780355 has 16 divisors (see below), whose sum is σ = 62856864. Its totient is φ = 37797120.

The previous prime is 49780343. The next prime is 49780373. The reversal of 49780355 is 55308794.

It is a de Polignac number, because none of the positive numbers 2^k-49780355 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4304 + ... + 10866.

It is an arithmetic number, because the mean of its divisors is an integer number (3928554).

Almost surely, 2^49780355 is an apocalyptic number.

49780355 is a deficient number, since it is larger than the sum of its proper divisors (13076509).

49780355 is a wasteful number, since it uses less digits than its factorization.

49780355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6646.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 49780355 is about 7055.5194705989. The cubic root of 49780355 is about 367.8629052776.

The spelling of 49780355 in words is "forty-nine million, seven hundred eighty thousand, three hundred fifty-five".