56513461304 has 8 divisors (see below), whose sum is σ = 105962739960. Its totient is φ = 28256730648.

The previous prime is 56513461273. The next prime is 56513461313. The reversal of 56513461304 is 40316431565.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3532091324 + ... + 3532091339.

It is an arithmetic number, because the mean of its divisors is an integer number (13245342495).

Almost surely, 2^56513461304 is an apocalyptic number.

It is an amenable number.

56513461304 is a deficient number, since it is larger than the sum of its proper divisors (49449278656).

56513461304 is a wasteful number, since it uses less digits than its factorization.

56513461304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064182669 (or 7064182665 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 56513461304 its reverse (40316431565), we get a palindrome (96829892869).

The spelling of 56513461304 in words is "fifty-six billion, five hundred thirteen million, four hundred sixty-one thousand, three hundred four".