2053215674544 has 80 divisors (see below), whose sum is σ = 5310478659200. Its totient is φ = 683587883520.

The previous prime is 2053215674479. The next prime is 2053215674561. The reversal of 2053215674544 is 4454765123502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 2053215674493 and 2053215674502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188934999 + ... + 188945865.

It is an arithmetic number, because the mean of its divisors is an integer number (66380983240).

Almost surely, 2^{2053215674544} is an apocalyptic number.

2053215674544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2053215674544 is an abundant number, since it is smaller than the sum of its proper divisors (3257262984656).

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

2053215674544 is a wasteful number, since it uses less digits than its factorization.

2053215674544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15218 (or 15212 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 48.

The spelling of 2053215674544 in words is "two trillion, fifty-three billion, two hundred fifteen million, six hundred seventy-four thousand, five hundred forty-four".