2053438544 has 20 divisors (see below), whose sum is σ = 3993226560. Its totient is φ = 1022928480.

The previous prime is 2053438531. The next prime is 2053438559. The reversal of 2053438544 is 4458343502.

It is a junction number, because it is equal to n+sod(n) for n = 2053438498 and 2053438507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232454 + ... + 241125.

It is an arithmetic number, because the mean of its divisors is an integer number (199661328).

Almost surely, 2^2053438544 is an apocalyptic number.

It is an amenable number.

2053438544 is a deficient number, since it is larger than the sum of its proper divisors (1939788016).

2053438544 is a wasteful number, since it uses less digits than its factorization.

2053438544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473858 (or 473852 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The square root of 2053438544 is about 45314.8821470386. The cubic root of 2053438544 is about 1271.0439561360.

The spelling of 2053438544 in words is "two billion, fifty-three million, four hundred thirty-eight thousand, five hundred forty-four".