49957966 has 8 divisors (see below), whose sum is σ = 74987640. Its totient is φ = 24962088.

The previous prime is 49957961. The next prime is 49957969. The reversal of 49957966 is 66975994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49957961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4356 + ... + 10903.

It is an arithmetic number, because the mean of its divisors is an integer number (9373455).

Almost surely, 2^49957966 is an apocalyptic number.

49957966 is a deficient number, since it is larger than the sum of its proper divisors (25029674).

49957966 is a wasteful number, since it uses less digits than its factorization.

49957966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16898.

The product of its digits is 3674160, while the sum is 55.

The square root of 49957966 is about 7068.0949342804. The cubic root of 49957966 is about 368.2998845343.

The spelling of 49957966 in words is "forty-nine million, nine hundred fifty-seven thousand, nine hundred sixty-six".