53531691982 has 8 divisors (see below), whose sum is σ = 82467741816. Its totient is φ = 26042444712.

The previous prime is 53531691973. The next prime is 53531691989. The reversal of 53531691982 is 28919613535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53531691989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361700548 + ... + 361700695.

It is an arithmetic number, because the mean of its divisors is an integer number (10308467727).

Almost surely, 2^53531691982 is an apocalyptic number.

53531691982 is a deficient number, since it is larger than the sum of its proper divisors (28936049834).

53531691982 is a wasteful number, since it uses less digits than its factorization.

53531691982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723401282.

The product of its digits is 1749600, while the sum is 52.

The spelling of 53531691982 in words is "fifty-three billion, five hundred thirty-one million, six hundred ninety-one thousand, nine hundred eighty-two".