49406519 has 6 divisors (see below), whose sum is σ = 49803840. Its totient is φ = 49012340.

The previous prime is 49406453. The next prime is 49406531. The reversal of 49406519 is 91560494.

It is a de Polignac number, because none of the positive numbers 2^k-49406519 is a prime.

It is a super-2 number, since 2×49406519² = 4882008239394722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49406569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15722 + ... + 18600.

It is an arithmetic number, because the mean of its divisors is an integer number (8300640).

Almost surely, 2^49406519 is an apocalyptic number.

49406519 is a deficient number, since it is larger than the sum of its proper divisors (397321).

49406519 is an equidigital number, since it uses as much as digits as its factorization.

49406519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141 (or 3010 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 49406519 is about 7028.9770948553. The cubic root of 49406519 is about 366.9397426727.

The spelling of 49406519 in words is "forty-nine million, four hundred six thousand, five hundred nineteen".