49417921 has 12 divisors (see below), whose sum is σ = 57875520. Its totient is φ = 42071400.

The previous prime is 49417919. The next prime is 49417931. The reversal of 49417921 is 12971494.

It is not a de Polignac number, because 49417921 - 2¹ = 49417919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49417931) 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, 4060 + ... + 10738.

It is an arithmetic number, because the mean of its divisors is an integer number (4822960).

Almost surely, 2^49417921 is an apocalyptic number.

It is an amenable number.

49417921 is a deficient number, since it is larger than the sum of its proper divisors (8457599).

49417921 is a wasteful number, since it uses less digits than its factorization.

49417921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844 (or 6837 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 49417921 is about 7029.7881191399. The cubic root of 49417921 is about 366.9679678626.

The spelling of 49417921 in words is "forty-nine million, four hundred seventeen thousand, nine hundred twenty-one".