49930000 has 50 divisors (see below), whose sum is σ = 120909734. Its totient is φ = 19968000.

The previous prime is 49929991. The next prime is 49930021. The reversal of 49930000 is 3994.

It can be written as a sum of positive squares in 5 ways, for example, as 23386896 + 26543104 = 4836^2 + 5152^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7504 + ... + 12496.

Almost surely, 2^49930000 is an apocalyptic number.

49930000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49930000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60454867).

49930000 is an abundant number, since it is smaller than the sum of its proper divisors (70979734).

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

49930000 is an equidigital number, since it uses as much as digits as its factorization.

49930000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021 (or 5000 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 49930000 is about 7066.1163307718. The cubic root of 49930000 is about 368.2311481016.

Adding to 49930000 its reverse (3994), we get a palindrome (49933994).

The spelling of 49930000 in words is "forty-nine million, nine hundred thirty thousand".