49115830 has 16 divisors (see below), whose sum is σ = 89085744. Its totient is φ = 19495840.

The previous prime is 49115819. The next prime is 49115837. The reversal of 49115830 is 3851194.

It is a junction number, because it is equal to n+sod(n) for n = 49115792 and 49115801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49115837) 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, 17437 + ... + 20056.

It is an arithmetic number, because the mean of its divisors is an integer number (5567859).

Almost surely, 2^49115830 is an apocalyptic number.

49115830 is a deficient number, since it is larger than the sum of its proper divisors (39969914).

49115830 is a wasteful number, since it uses less digits than its factorization.

49115830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37631.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 49115830 is about 7008.2686877716. The cubic root of 49115830 is about 366.2186824554.

The spelling of 49115830 in words is "forty-nine million, one hundred fifteen thousand, eight hundred thirty".