53203164 has 48 divisors (see below), whose sum is σ = 143302656. Its totient is φ = 15048000.

The previous prime is 53203153. The next prime is 53203177. The reversal of 53203164 is 46130235.

It is a happy number.

It is a super-2 number, since 2×53203164² = 5661153319221792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5349 + ... + 11619.

It is an arithmetic number, because the mean of its divisors is an integer number (2985472).

Almost surely, 2^53203164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53203164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71651328).

53203164 is an abundant number, since it is smaller than the sum of its proper divisors (90099492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53203164 is a wasteful number, since it uses less digits than its factorization.

53203164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6386 (or 6384 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 53203164 is about 7294.0499038600. The cubic root of 53203164 is about 376.1079269926.

Adding to 53203164 its reverse (46130235), we get a palindrome (99333399).

The spelling of 53203164 in words is "fifty-three million, two hundred three thousand, one hundred sixty-four".