49511902 has 16 divisors (see below), whose sum is σ = 81522432. Its totient is φ = 22365720.

The previous prime is 49511897. The next prime is 49511927. The reversal of 49511902 is 20911594.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3318 + ... + 10489.

It is an arithmetic number, because the mean of its divisors is an integer number (5095152).

Almost surely, 2^49511902 is an apocalyptic number.

49511902 is a deficient number, since it is larger than the sum of its proper divisors (32010530).

49511902 is a wasteful number, since it uses less digits than its factorization.

49511902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13983.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 49511902 is about 7036.4694272057. The cubic root of 49511902 is about 367.2004488218.

The spelling of 49511902 in words is "forty-nine million, five hundred eleven thousand, nine hundred two".