49991611452 has 48 divisors (see below), whose sum is σ = 122040119040. Its totient is φ = 15897264768.

The previous prime is 49991611451. The next prime is 49991611457. The reversal of 49991611452 is 25411619994.

It is a super-3 number, since 3×49991611452³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 49991611395 and 49991611404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49991611451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134353 + ... + 343560.

It is an arithmetic number, because the mean of its divisors is an integer number (2542502480).

Almost surely, 2^49991611452 is an apocalyptic number.

It is an amenable number.

49991611452 is an abundant number, since it is smaller than the sum of its proper divisors (72048507588).

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

49991611452 is a wasteful number, since it uses less digits than its factorization.

49991611452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478322 (or 478320 counting only the distinct ones).

The product of its digits is 699840, while the sum is 51.

The spelling of 49991611452 in words is "forty-nine billion, nine hundred ninety-one million, six hundred eleven thousand, four hundred fifty-two".