49775830 has 64 divisors (see below), whose sum is σ = 103638528. Its totient is φ = 17049600.

The previous prime is 49775809. The next prime is 49775833. The reversal of 49775830 is 3857794.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49775833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223099 + ... + 223321.

It is an arithmetic number, because the mean of its divisors is an integer number (1619352).

Almost surely, 2^49775830 is an apocalyptic number.

49775830 is an abundant number, since it is smaller than the sum of its proper divisors (53862698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49775830 is a wasteful number, since it uses less digits than its factorization.

49775830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

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

The square root of 49775830 is about 7055.1987923800. The cubic root of 49775830 is about 367.8517587782.

It can be divided in two parts, 49775 and 830, that added together give a palindrome (50605).

The spelling of 49775830 in words is "forty-nine million, seven hundred seventy-five thousand, eight hundred thirty".