53653211540720 has 40 divisors (see below), whose sum is σ = 136084054728240. Its totient is φ = 19510258741760.

The previous prime is 53653211540693. The next prime is 53653211540759. The reversal of 53653211540720 is 2704511235635.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 30484778405 + ... + 30484780164.

It is an arithmetic number, because the mean of its divisors is an integer number (3402101368206).

Almost surely, 2^{53653211540720} is an apocalyptic number.

It is an amenable number.

53653211540720 is an abundant number, since it is smaller than the sum of its proper divisors (82430843187520).

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

53653211540720 is a wasteful number, since it uses less digits than its factorization.

53653211540720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60969558593 (or 60969558587 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 53653211540720 in words is "fifty-three trillion, six hundred fifty-three billion, two hundred eleven million, five hundred forty thousand, seven hundred twenty".