55797142351776 has 96 divisors (see below), whose sum is σ = 167616719843328. Its totient is φ = 15920584216320.

The previous prime is 55797142351733. The next prime is 55797142351823. The reversal of 55797142351776 is 67715324179755.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×55797142351776² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55797142351776.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55376520 + ... + 56375111.

It is an arithmetic number, because the mean of its divisors is an integer number (1746007498368).

Almost surely, 2^{55797142351776} is an apocalyptic number.

55797142351776 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55797142351776 is an abundant number, since it is smaller than the sum of its proper divisors (111819577491552).

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

55797142351776 is a wasteful number, since it uses less digits than its factorization.

55797142351776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111752394 (or 111752386 counting only the distinct ones).

The product of its digits is 388962000, while the sum is 69.

The spelling of 55797142351776 in words is "fifty-five trillion, seven hundred ninety-seven billion, one hundred forty-two million, three hundred fifty-one thousand, seven hundred seventy-six".