53001212 has 48 divisors (see below), whose sum is σ = 106293600. Its totient is φ = 22901760.

The previous prime is 53001211. The next prime is 53001239. The reversal of 53001212 is 21210035.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53001211) 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, 92864 + ... + 93432.

It is an arithmetic number, because the mean of its divisors is an integer number (2214450).

Almost surely, 2^53001212 is an apocalyptic number.

It is an amenable number.

53001212 is an abundant number, since it is smaller than the sum of its proper divisors (53292388).

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

53001212 is a wasteful number, since it uses less digits than its factorization.

53001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 53001212 is about 7280.1931293064. The cubic root of 53001212 is about 375.6314386823.

Adding to 53001212 its reverse (21210035), we get a palindrome (74211247).

The spelling of 53001212 in words is "fifty-three million, one thousand, two hundred twelve".