56555204016534 has 16 divisors (see below), whose sum is σ = 117010766931120. Its totient is φ = 18201674855840.

The previous prime is 56555204016449. The next prime is 56555204016581. The reversal of 56555204016534 is 43561040255565.

It is a super-2 number, since 2×56555204016534² (a number of 28 digits) contains 22 as substring.

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, 162514953897 + ... + 162514954244.

It is an arithmetic number, because the mean of its divisors is an integer number (7313172933195).

Almost surely, 2^{56555204016534} is an apocalyptic number.

56555204016534 is an abundant number, since it is smaller than the sum of its proper divisors (60455562914586).

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

56555204016534 is a wasteful number, since it uses less digits than its factorization.

56555204016534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325029908175.

The product of its (nonzero) digits is 10800000, while the sum is 51.

The spelling of 56555204016534 in words is "fifty-six trillion, five hundred fifty-five billion, two hundred four million, sixteen thousand, five hundred thirty-four".