53021380460 has 24 divisors (see below), whose sum is σ = 111377476896. Its totient is φ = 21202346880.

The previous prime is 53021380457. The next prime is 53021380507. The reversal of 53021380460 is 6408312035.

It is a super-2 number, since 2×53021380460² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317456 + ... + 454775.

It is an arithmetic number, because the mean of its divisors is an integer number (4640728204).

Almost surely, 2^53021380460 is an apocalyptic number.

It is an amenable number.

53021380460 is an abundant number, since it is smaller than the sum of its proper divisors (58356096436).

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

53021380460 is a wasteful number, since it uses less digits than its factorization.

53021380460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775673 (or 775671 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 53021380460 its reverse (6408312035), we get a palindrome (59429692495).

The spelling of 53021380460 in words is "fifty-three billion, twenty-one million, three hundred eighty thousand, four hundred sixty".