49187912 has 8 divisors (see below), whose sum is σ = 92227350. Its totient is φ = 24593952.

The previous prime is 49187893. The next prime is 49187921. The reversal of 49187912 is 21978194.

It can be written as a sum of positive squares in only one way, i.e., 40271716 + 8916196 = 6346^2 + 2986^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 49187912.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3074237 + ... + 3074252.

Almost surely, 2^49187912 is an apocalyptic number.

It is an amenable number.

49187912 is a deficient number, since it is larger than the sum of its proper divisors (43039438).

49187912 is a wasteful number, since it uses less digits than its factorization.

49187912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148495 (or 6148491 counting only the distinct ones).

The product of its digits is 36288, while the sum is 41.

The square root of 49187912 is about 7013.4094419191. The cubic root of 49187912 is about 366.3977480904.

The spelling of 49187912 in words is "forty-nine million, one hundred eighty-seven thousand, nine hundred twelve".