49931830 has 32 divisors (see below), whose sum is σ = 98630784. Its totient is φ = 18086016.

The previous prime is 49931807. The next prime is 49931851. The reversal of 49931830 is 3813994.

It is a self number, because there is not a number n which added to its sum of digits gives 49931830.

It is a congruent 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, 3267 + ... + 10513.

It is an arithmetic number, because the mean of its divisors is an integer number (3082212).

Almost surely, 2^49931830 is an apocalyptic number.

49931830 is a deficient number, since it is larger than the sum of its proper divisors (48698954).

49931830 is a wasteful number, since it uses less digits than its factorization.

49931830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 49931830 is about 7066.2458208019. The cubic root of 49931830 is about 368.2356467649.

The spelling of 49931830 in words is "forty-nine million, nine hundred thirty-one thousand, eight hundred thirty".