49975666 has 24 divisors (see below), whose sum is σ = 81691200. Its totient is φ = 22918896.

The previous prime is 49975657. The next prime is 49975669. The reversal of 49975666 is 66657994.

It is not an unprimeable number, because it can be changed into a prime (49975669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66891 + ... + 67633.

It is an arithmetic number, because the mean of its divisors is an integer number (3403800).

Almost surely, 2^49975666 is an apocalyptic number.

49975666 is a deficient number, since it is larger than the sum of its proper divisors (31715534).

49975666 is a wasteful number, since it uses less digits than its factorization.

49975666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 957 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 52.

The square root of 49975666 is about 7069.3469288188. The cubic root of 49975666 is about 368.3433753510.

The spelling of 49975666 in words is "forty-nine million, nine hundred seventy-five thousand, six hundred sixty-six".