49137786 has 32 divisors (see below), whose sum is σ = 115620480. Its totient is φ = 15415488.

The previous prime is 49137779. The next prime is 49137787. The reversal of 49137786 is 68773194.

It is not an unprimeable number, because it can be changed into a prime (49137787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25846 + ... + 27681.

It is an arithmetic number, because the mean of its divisors is an integer number (3613140).

Almost surely, 2^49137786 is an apocalyptic number.

49137786 is an abundant number, since it is smaller than the sum of its proper divisors (66482694).

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

49137786 is a wasteful number, since it uses less digits than its factorization.

49137786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53555 (or 53549 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 49137786 is about 7009.8349481282. The cubic root of 49137786 is about 366.2732439518.

The spelling of 49137786 in words is "forty-nine million, one hundred thirty-seven thousand, seven hundred eighty-six".