53566121000340 has 144 divisors (see below), whose sum is σ = 180455492750400. Its totient is φ = 13185506685312.

The previous prime is 53566121000323. The next prime is 53566121000383. The reversal of 53566121000340 is 4300012166535.

53566121000340 is a `hidden beast` number, since 5 + 3 + 5 + 6 + 612 + 1 + 0 + 0 + 0 + 34 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 53566121000295 and 53566121000304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 293389570 + ... + 293572089.

It is an arithmetic number, because the mean of its divisors is an integer number (1253163144100).

Almost surely, 2^{53566121000340} is an apocalyptic number.

It is an amenable number.

53566121000340 is an abundant number, since it is smaller than the sum of its proper divisors (126889371750060).

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

53566121000340 is a wasteful number, since it uses less digits than its factorization.

53566121000340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586961703 (or 586961682 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 53566121000340 its reverse (4300012166535), we get a palindrome (57866133166875).

The spelling of 53566121000340 in words is "fifty-three trillion, five hundred sixty-six billion, one hundred twenty-one million, three hundred forty", and thus it is an aban number.