49640213 has 8 divisors (see below), whose sum is σ = 56788032. Its totient is φ = 42506496.

The previous prime is 49640209. The next prime is 49640231. The reversal of 49640213 is 31204694.

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 49640213 - 2² = 49640209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49640263) 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, 5606 + ... + 11432.

It is an arithmetic number, because the mean of its divisors is an integer number (7098504).

Almost surely, 2^49640213 is an apocalyptic number.

It is an amenable number.

49640213 is a deficient number, since it is larger than the sum of its proper divisors (7147819).

49640213 is a wasteful number, since it uses less digits than its factorization.

49640213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7051.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 49640213 is about 7045.5810973971. The cubic root of 49640213 is about 367.5173774312.

The spelling of 49640213 in words is "forty-nine million, six hundred forty thousand, two hundred thirteen".