53213445515302 has 8 divisors (see below), whose sum is σ = 79820241769296. Its totient is φ = 26606698258872.

The previous prime is 53213445515299. The next prime is 53213445515303. The reversal of 53213445515302 is 20351554431235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×53213445515302² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53213445515303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9401898 + ... + 13957885.

It is an arithmetic number, because the mean of its divisors is an integer number (9977530221162).

Almost surely, 2^{53213445515302} is an apocalyptic number.

53213445515302 is a deficient number, since it is larger than the sum of its proper divisors (26606796253994).

53213445515302 is a wasteful number, since it uses less digits than its factorization.

53213445515302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24498782.

The product of its (nonzero) digits is 1080000, while the sum is 43.

Adding to 53213445515302 its reverse (20351554431235), we get a palindrome (73564999946537).

The spelling of 53213445515302 in words is "fifty-three trillion, two hundred thirteen billion, four hundred forty-five million, five hundred fifteen thousand, three hundred two".