53371053620640 has 144 divisors (see below), whose sum is σ = 208147109159808. Its totient is φ = 12199097968128.

The previous prime is 53371053620627. The next prime is 53371053620663. The reversal of 53371053620640 is 4602635017335.

It is a happy number.

53371053620640 is a `hidden beast` number, since 5 + 3 + 3 + 7 + 10 + 5 + 3 + 620 + 6 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2647363612 + ... + 2647383771.

It is an arithmetic number, because the mean of its divisors is an integer number (1445466035832).

Almost surely, 2^{53371053620640} is an apocalyptic number.

It is an amenable number.

53371053620640 is an abundant number, since it is smaller than the sum of its proper divisors (154776055539168).

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

53371053620640 is a wasteful number, since it uses less digits than its factorization.

53371053620640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294747411 (or 5294747400 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

Adding to 53371053620640 its reverse (4602635017335), we get a palindrome (57973688637975).

The spelling of 53371053620640 in words is "fifty-three trillion, three hundred seventy-one billion, fifty-three million, six hundred twenty thousand, six hundred forty".