53226939921 has 16 divisors (see below), whose sum is σ = 71704888320. Its totient is φ = 35117257680.

The previous prime is 53226939889. The next prime is 53226939937. The reversal of 53226939921 is 12993962235.

It is not a de Polignac number, because 53226939921 - 2⁵ = 53226939889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53226939991) 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, 426486 + ... + 536976.

It is an arithmetic number, because the mean of its divisors is an integer number (4481555520).

Almost surely, 2^53226939921 is an apocalyptic number.

It is an amenable number.

53226939921 is a deficient number, since it is larger than the sum of its proper divisors (18477948399).

53226939921 is a wasteful number, since it uses less digits than its factorization.

53226939921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112156.

The product of its digits is 1574640, while the sum is 51.

The spelling of 53226939921 in words is "fifty-three billion, two hundred twenty-six million, nine hundred thirty-nine thousand, nine hundred twenty-one".