49990902 has 32 divisors (see below), whose sum is σ = 108041472. Its totient is φ = 15329184.

The previous prime is 49990873. The next prime is 49990907. The reversal of 49990902 is 20909994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49990907) 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 15 ways as a sum of consecutive naturals, for example, 26143 + ... + 27989.

It is an arithmetic number, because the mean of its divisors is an integer number (3376296).

Almost surely, 2^49990902 is an apocalyptic number.

49990902 is an abundant number, since it is smaller than the sum of its proper divisors (58050570).

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

49990902 is a wasteful number, since it uses less digits than its factorization.

49990902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 49990902 is about 7070.4244568484. The cubic root of 49990902 is about 368.3808036296.

The spelling of 49990902 in words is "forty-nine million, nine hundred ninety thousand, nine hundred two".