55777324338147 has 48 divisors (see below), whose sum is σ = 77914833982080. Its totient is φ = 35485145055360.

The previous prime is 55777324338037. The next prime is 55777324338233. The reversal of 55777324338147 is 74183342377755.

It is not a de Polignac number, because 55777324338147 - 2¹⁰ = 55777324337123 is a prime.

It is a super-2 number, since 2×55777324338147² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55777324328147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1140452868 + ... + 1140501774.

It is an arithmetic number, because the mean of its divisors is an integer number (1623225707960).

Almost surely, 2^{55777324338147} is an apocalyptic number.

55777324338147 is a deficient number, since it is larger than the sum of its proper divisors (22137509643933).

55777324338147 is a wasteful number, since it uses less digits than its factorization.

55777324338147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54464 (or 54433 counting only the distinct ones).

The product of its digits is 414892800, while the sum is 66.

The spelling of 55777324338147 in words is "fifty-five trillion, seven hundred seventy-seven billion, three hundred twenty-four million, three hundred thirty-eight thousand, one hundred forty-seven".