53445632523 has 8 divisors (see below), whose sum is σ = 71267087568. Its totient is φ = 35627299584.

The previous prime is 53445632497. The next prime is 53445632567. The reversal of 53445632523 is 32523654435.

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

It is not a de Polignac number, because 53445632523 - 2⁶ = 53445632459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53445632573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740286 + ... + 809267.

It is an arithmetic number, because the mean of its divisors is an integer number (8908385946).

Almost surely, 2^53445632523 is an apocalyptic number.

53445632523 is a deficient number, since it is larger than the sum of its proper divisors (17821455045).

53445632523 is a wasteful number, since it uses less digits than its factorization.

53445632523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561053.

The product of its digits is 1296000, while the sum is 42.

The spelling of 53445632523 in words is "fifty-three billion, four hundred forty-five million, six hundred thirty-two thousand, five hundred twenty-three".