56397998034573 has 16 divisors (see below), whose sum is σ = 80993761590336. Its totient is φ = 34701308547840.

The previous prime is 56397998034491. The next prime is 56397998034613. The reversal of 56397998034573 is 37543089979365.

It is not a de Polignac number, because 56397998034573 - 2⁹ = 56397998034061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56397998034473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107062663 + ... + 107588148.

It is an arithmetic number, because the mean of its divisors is an integer number (5062110099396).

Almost surely, 2^{56397998034573} is an apocalyptic number.

It is an amenable number.

56397998034573 is a deficient number, since it is larger than the sum of its proper divisors (24595763555763).

56397998034573 is a wasteful number, since it uses less digits than its factorization.

56397998034573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214657564.

The product of its (nonzero) digits is 4629441600, while the sum is 78.

The spelling of 56397998034573 in words is "fifty-six trillion, three hundred ninety-seven billion, nine hundred ninety-eight million, thirty-four thousand, five hundred seventy-three".