53445642933 has 16 divisors (see below), whose sum is σ = 77058051840. Its totient is φ = 32821019136.

The previous prime is 53445642931. The next prime is 53445642937. The reversal of 53445642933 is 33924654435.

It is not a de Polignac number, because 53445642933 - 2¹ = 53445642931 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53445642931) 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, 11146048 + ... + 11150841.

It is an arithmetic number, because the mean of its divisors is an integer number (4816128240).

Almost surely, 2^53445642933 is an apocalyptic number.

It is an amenable number.

53445642933 is a deficient number, since it is larger than the sum of its proper divisors (23612408907).

53445642933 is a wasteful number, since it uses less digits than its factorization.

53445642933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22296956.

The product of its digits is 4665600, while the sum is 48.

The spelling of 53445642933 in words is "fifty-three billion, four hundred forty-five million, six hundred forty-two thousand, nine hundred thirty-three".