49931900 has 36 divisors (see below), whose sum is σ = 108868032. Its totient is φ = 19877760.

The previous prime is 49931899. The next prime is 49931909. The reversal of 49931900 is 913994.

It is a super-2 number, since 2×49931900² = 4986389275220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49931909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22229 + ... + 24371.

It is an arithmetic number, because the mean of its divisors is an integer number (3024112).

Almost surely, 2^49931900 is an apocalyptic number.

It is an amenable number.

49931900 is an abundant number, since it is smaller than the sum of its proper divisors (58936132).

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

49931900 is a wasteful number, since it uses less digits than its factorization.

49931900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390 (or 2383 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 49931900 is about 7066.2507739253. The cubic root of 49931900 is about 368.2358188427.

The spelling of 49931900 in words is "forty-nine million, nine hundred thirty-one thousand, nine hundred".