55997654397153 has 32 divisors (see below), whose sum is σ = 85623260083200. Its totient is φ = 31888701794880.

The previous prime is 55997654397133. The next prime is 55997654397203. The reversal of 55997654397153 is 35179345679955.

It is not a de Polignac number, because 55997654397153 - 2⁵ = 55997654397121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55997654397133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10616998 + ... + 14990528.

It is an arithmetic number, because the mean of its divisors is an integer number (2675726877600).

Almost surely, 2^{55997654397153} is an apocalyptic number.

It is an amenable number.

55997654397153 is a deficient number, since it is larger than the sum of its proper divisors (29625605686047).

55997654397153 is a wasteful number, since it uses less digits than its factorization.

55997654397153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375637.

The product of its digits is 4822335000, while the sum is 78.

The spelling of 55997654397153 in words is "fifty-five trillion, nine hundred ninety-seven billion, six hundred fifty-four million, three hundred ninety-seven thousand, one hundred fifty-three".