49669957 has 8 divisors (see below), whose sum is σ = 50712480. Its totient is φ = 48631440.

The previous prime is 49669943. The next prime is 49669973. The reversal of 49669957 is 75996694.

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

It is a cyclic number.

It is not a de Polignac number, because 49669957 - 2¹⁹ = 49145669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49669898 and 49669907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49669987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44982 + ... + 46072.

It is an arithmetic number, because the mean of its divisors is an integer number (6339060).

Almost surely, 2^49669957 is an apocalyptic number.

It is an amenable number.

49669957 is a deficient number, since it is larger than the sum of its proper divisors (1042523).

49669957 is a wasteful number, since it uses less digits than its factorization.

49669957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003.

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

The square root of 49669957 is about 7047.6916078955. The cubic root of 49669957 is about 367.5907672201.

The spelling of 49669957 in words is "forty-nine million, six hundred sixty-nine thousand, nine hundred fifty-seven".