53223501 has 32 divisors (see below), whose sum is σ = 75841920. Its totient is φ = 33156864.

The previous prime is 53223473. The next prime is 53223509. The reversal of 53223501 is 10532235.

It is not a de Polignac number, because 53223501 - 2⁶ = 53223437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53223509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488235 + ... + 488343.

It is an arithmetic number, because the mean of its divisors is an integer number (2370060).

Almost surely, 2^53223501 is an apocalyptic number.

It is an amenable number.

53223501 is a deficient number, since it is larger than the sum of its proper divisors (22618419).

53223501 is a wasteful number, since it uses less digits than its factorization.

53223501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53223501 is about 7295.4438521587. The cubic root of 53223501 is about 376.1558435195.

Adding to 53223501 its reverse (10532235), we get a palindrome (63755736).

The spelling of 53223501 in words is "fifty-three million, two hundred twenty-three thousand, five hundred one".