49496639 has 8 divisors (see below), whose sum is σ = 53825328. Its totient is φ = 45325440.

The previous prime is 49496627. The next prime is 49496641. The reversal of 49496639 is 93669494.

49496639 = 612² + 613² + ... + 722².

It is a happy number.

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 49496639 - 2²⁰ = 48448063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49496609) 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, 38717 + ... + 39974.

It is an arithmetic number, because the mean of its divisors is an integer number (6728166).

Almost surely, 2^49496639 is an apocalyptic number.

49496639 is a deficient number, since it is larger than the sum of its proper divisors (4328689).

49496639 is a wasteful number, since it uses less digits than its factorization.

49496639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78745.

The product of its digits is 1259712, while the sum is 50.

The square root of 49496639 is about 7035.3847798113. The cubic root of 49496639 is about 367.1627127339.

The spelling of 49496639 in words is "forty-nine million, four hundred ninety-six thousand, six hundred thirty-nine".