49020100 has 18 divisors (see below), whose sum is σ = 106373834. Its totient is φ = 19608000.

The previous prime is 49020089. The next prime is 49020113. The reversal of 49020100 is 102094.

It can be written as a sum of positive squares in 3 ways, for example, as 15007876 + 34012224 = 3874^2 + 5832^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 245001 + ... + 245200.

Almost surely, 2^49020100 is an apocalyptic number.

It is an amenable number.

49020100 is an abundant number, since it is smaller than the sum of its proper divisors (57353734).

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

49020100 is a wasteful number, since it uses less digits than its factorization.

49020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490215 (or 490208 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 49020100 is about 7001.4355670819. The cubic root of 49020100 is about 365.9805995669.

Adding to 49020100 its reverse (102094), we get a palindrome (49122194).

The spelling of 49020100 in words is "forty-nine million, twenty thousand, one hundred".