32055772491 has 32 divisors (see below), whose sum is σ = 48215865600. Its totient is φ = 21045816000.

The previous prime is 32055772459. The next prime is 32055772493. The reversal of 32055772491 is 19427755023.

It is a happy number.

32055772491 is a `hidden beast` number, since 3 + 2 + 0 + 557 + 7 + 2 + 4 + 91 = 666.

It is not a de Polignac number, because 32055772491 - 2⁵ = 32055772459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32055772493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 576580 + ... + 629726.

It is an arithmetic number, because the mean of its divisors is an integer number (1506745800).

Almost surely, 2^32055772491 is an apocalyptic number.

32055772491 is a deficient number, since it is larger than the sum of its proper divisors (16160093109).

32055772491 is a wasteful number, since it uses less digits than its factorization.

32055772491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53496 (or 53490 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

It can be divided in two parts, 32055 and 772491, that added together give a triangular number (804546 = T₁₂₆₈).

The spelling of 32055772491 in words is "thirty-two billion, fifty-five million, seven hundred seventy-two thousand, four hundred ninety-one".