49517658 has 12 divisors (see below), whose sum is σ = 107288298. Its totient is φ = 16505880.

The previous prime is 49517653. The next prime is 49517659. The reversal of 49517658 is 85671594.

It can be written as a sum of positive squares in only one way, i.e., 48483369 + 1034289 = 6963^2 + 1017^2 .

It is not an unprimeable number, because it can be changed into a prime (49517653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1375473 + ... + 1375508.

Almost surely, 2^49517658 is an apocalyptic number.

49517658 is an abundant number, since it is smaller than the sum of its proper divisors (57770640).

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

49517658 is a wasteful number, since it uses less digits than its factorization.

49517658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750989 (or 2750986 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 49517658 is about 7036.8784272574. The cubic root of 49517658 is about 367.2146778845.

The spelling of 49517658 in words is "forty-nine million, five hundred seventeen thousand, six hundred fifty-eight".