53513212 has 12 divisors (see below), whose sum is σ = 99156960. Its totient is φ = 25182656.

The previous prime is 53513189. The next prime is 53513233. The reversal of 53513212 is 21231535.

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, 393412 + ... + 393547.

It is an arithmetic number, because the mean of its divisors is an integer number (8263080).

Almost surely, 2^53513212 is an apocalyptic number.

It is an amenable number.

53513212 is a deficient number, since it is larger than the sum of its proper divisors (45643748).

53513212 is a wasteful number, since it uses less digits than its factorization.

53513212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786980 (or 786978 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 53513212 is about 7315.2725171384. The cubic root of 53513212 is about 376.8371174498.

Adding to 53513212 its reverse (21231535), we get a palindrome (74744747).

The spelling of 53513212 in words is "fifty-three million, five hundred thirteen thousand, two hundred twelve".