49966830 has 48 divisors (see below), whose sum is σ = 131498640. Its totient is φ = 13161984.

The previous prime is 49966811. The next prime is 49966841. The reversal of 49966830 is 3866994.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4126 + ... + 10814.

It is an arithmetic number, because the mean of its divisors is an integer number (2739555).

Almost surely, 2^49966830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49966830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65749320).

49966830 is an abundant number, since it is smaller than the sum of its proper divisors (81531810).

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

49966830 is a wasteful number, since it uses less digits than its factorization.

49966830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6785 (or 6782 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 49966830 is about 7068.7219495465. The cubic root of 49966830 is about 368.3216656260.

The spelling of 49966830 in words is "forty-nine million, nine hundred sixty-six thousand, eight hundred thirty".