49391699056 has 20 divisors (see below), whose sum is σ = 109367333872. Its totient is φ = 21167870976.

The previous prime is 49391699047. The next prime is 49391699089. The reversal of 49391699056 is 65099619394.

It is a super-2 number, since 2×49391699056² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49391698985 and 49391699003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220498545 + ... + 220498768.

Almost surely, 2^49391699056 is an apocalyptic number.

It is an amenable number.

49391699056 is an abundant number, since it is smaller than the sum of its proper divisors (59975634816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49391699056 is a wasteful number, since it uses less digits than its factorization.

49391699056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440997328 (or 440997322 counting only the distinct ones).

The product of its (nonzero) digits is 14171760, while the sum is 61.

The spelling of 49391699056 in words is "forty-nine billion, three hundred ninety-one million, six hundred ninety-nine thousand, fifty-six".