49820004 has 36 divisors (see below), whose sum is σ = 135622396. Its totient is φ = 15329088.

The previous prime is 49819997. The next prime is 49820039. The reversal of 49820004 is 40002894.

It can be written as a sum of positive squares in 2 ways, for example, as 23503104 + 26316900 = 4848^2 + 5130^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 49820004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52759 + ... + 53694.

Almost surely, 2^49820004 is an apocalyptic number.

It is an amenable number.

49820004 is an abundant number, since it is smaller than the sum of its proper divisors (85802392).

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

49820004 is a wasteful number, since it uses less digits than its factorization.

49820004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106476 (or 106471 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 49820004 is about 7058.3286973617. The cubic root of 49820004 is about 367.9605443678.

Adding to 49820004 its reverse (40002894), we get a palindrome (89822898).

It can be divided in two parts, 498 and 20004, that added together give a palindrome (20502).

The spelling of 49820004 in words is "forty-nine million, eight hundred twenty thousand, four".