53021004040000 has 140 divisors (see below), whose sum is σ = 138394589555200. Its totient is φ = 20092169664000.

The previous prime is 53021004039953. The next prime is 53021004040021. The reversal of 53021004040000 is 4040012035.

It is a super-2 number, since 2×53021004040000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 53021004040000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34122240 + ... + 35642239.

Almost surely, 2^{53021004040000} is an apocalyptic number.

53021004040000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53021004040000 is an abundant number, since it is smaller than the sum of its proper divisors (85373585515200).

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

53021004040000 is an equidigital number, since it uses as much as digits as its factorization.

53021004040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69764530 (or 69764505 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 53021004040000 its reverse (4040012035), we get a palindrome (53025044052035).

The spelling of 53021004040000 in words is "fifty-three trillion, twenty-one billion, four million, forty thousand".