53890031933 has 4 divisors (see below), whose sum is σ = 53890535868. Its totient is φ = 53889528000.

The previous prime is 53890031917. The next prime is 53890031969. The reversal of 53890031933 is 33913009835.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 36350472964 + 17539558969 = 190658^2 + 132437^2 .

It is a cyclic number.

It is not a de Polignac number, because 53890031933 - 2⁴ = 53890031917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53890031033) 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, 20966 + ... + 328967.

It is an arithmetic number, because the mean of its divisors is an integer number (13472633967).

Almost surely, 2^53890031933 is an apocalyptic number.

It is an amenable number.

53890031933 is a deficient number, since it is larger than the sum of its proper divisors (503935).

53890031933 is a wasteful number, since it uses less digits than its factorization.

53890031933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503934.

The product of its (nonzero) digits is 262440, while the sum is 44.

The spelling of 53890031933 in words is "fifty-three billion, eight hundred ninety million, thirty-one thousand, nine hundred thirty-three".