2053399232544 has 48 divisors (see below), whose sum is σ = 5880188714400. Its totient is φ = 622242191360.

The previous prime is 2053399232543. The next prime is 2053399232597. The reversal of 2053399232544 is 4452329933502.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (2053399232543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972252369 + ... + 972254480.

It is an arithmetic number, because the mean of its divisors is an integer number (122503931550).

Almost surely, 2^{2053399232544} is an apocalyptic number.

2053399232544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2053399232544 is an abundant number, since it is smaller than the sum of its proper divisors (3826789481856).

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

2053399232544 is a wasteful number, since it uses less digits than its factorization.

2053399232544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944506873 (or 1944506865 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 51.

The spelling of 2053399232544 in words is "two trillion, fifty-three billion, three hundred ninety-nine million, two hundred thirty-two thousand, five hundred forty-four".