49291619 has 16 divisors (see below), whose sum is σ = 58151520. Its totient is φ = 41341440.

The previous prime is 49291607. The next prime is 49291633. The reversal of 49291619 is 91619294.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49291619 is a prime.

It is a super-2 number, since 2×49291619² = 4859327407282322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49291639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2564 + ... + 10254.

It is an arithmetic number, because the mean of its divisors is an integer number (3634470).

Almost surely, 2^49291619 is an apocalyptic number.

49291619 is a deficient number, since it is larger than the sum of its proper divisors (8859901).

49291619 is a wasteful number, since it uses less digits than its factorization.

49291619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750.

The product of its digits is 34992, while the sum is 41.

The square root of 49291619 is about 7020.7990286007. The cubic root of 49291619 is about 366.6550696975.

The spelling of 49291619 in words is "forty-nine million, two hundred ninety-one thousand, six hundred nineteen".