49942319 has 12 divisors (see below), whose sum is σ = 58326048. Its totient is φ = 42638400.

The previous prime is 49942303. The next prime is 49942339. The reversal of 49942319 is 91324994.

It is not a de Polignac number, because 49942319 - 2⁴ = 49942303 is a prime.

It is a super-2 number, since 2×49942319² = 4988470454195522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49942339) 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, 11399 + ... + 15159.

It is an arithmetic number, because the mean of its divisors is an integer number (4860504).

Almost surely, 2^49942319 is an apocalyptic number.

49942319 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

49942319 is a deficient number, since it is larger than the sum of its proper divisors (8383729).

49942319 is a wasteful number, since it uses less digits than its factorization.

49942319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046 (or 4039 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 49942319 is about 7066.9879722552. The cubic root of 49942319 is about 368.2614296057.

The spelling of 49942319 in words is "forty-nine million, nine hundred forty-two thousand, three hundred nineteen".