49980319 has 6 divisors (see below), whose sum is σ = 51171576. Its totient is φ = 48816180.

The previous prime is 49980313. The next prime is 49980331. The reversal of 49980319 is 91308994.

It is a de Polignac number, because none of the positive numbers 2^k-49980319 is a prime.

It is a super-2 number, since 2×49980319² = 4996064574683522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49980313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11667 + ... + 15364.

It is an arithmetic number, because the mean of its divisors is an integer number (8528596).

Almost surely, 2^49980319 is an apocalyptic number.

49980319 is a deficient number, since it is larger than the sum of its proper divisors (1191257).

49980319 is an equidigital number, since it uses as much as digits as its factorization.

49980319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27117 (or 27074 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 49980319 is about 7069.6760180365. The cubic root of 49980319 is about 368.3548065712.

The spelling of 49980319 in words is "forty-nine million, nine hundred eighty thousand, three hundred nineteen".