53221232033524 has 12 divisors (see below), whose sum is σ = 93137211636448. Its totient is φ = 26610600137400.

The previous prime is 53221232033479. The next prime is 53221232033533. The reversal of 53221232033524 is 42533023212235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6844609 + ... + 12381079.

Almost surely, 2^{53221232033524} is an apocalyptic number.

It is an amenable number.

53221232033524 is a deficient number, since it is larger than the sum of its proper divisors (39915979602924).

53221232033524 is a wasteful number, since it uses less digits than its factorization.

53221232033524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7939686 (or 7939684 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 53221232033524 its reverse (42533023212235), we get a palindrome (95754255245759).

The spelling of 53221232033524 in words is "fifty-three trillion, two hundred twenty-one billion, two hundred thirty-two million, thirty-three thousand, five hundred twenty-four".