53573153644 has 24 divisors (see below), whose sum is σ = 96095353536. Its totient is φ = 26118096000.

The previous prime is 53573153639. The next prime is 53573153659. The reversal of 53573153644 is 44635137535.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53573153594 and 53573153603.

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, 191709 + ... + 379339.

It is an arithmetic number, because the mean of its divisors is an integer number (4003973064).

Almost surely, 2^53573153644 is an apocalyptic number.

It is an amenable number.

53573153644 is a deficient number, since it is larger than the sum of its proper divisors (42522199892).

53573153644 is a wasteful number, since it uses less digits than its factorization.

53573153644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189417 (or 189415 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 46.

The spelling of 53573153644 in words is "fifty-three billion, five hundred seventy-three million, one hundred fifty-three thousand, six hundred forty-four".