55320670612 has 24 divisors (see below), whose sum is σ = 97995805992. Its totient is φ = 27323136000.

The previous prime is 55320670597. The next prime is 55320670631. The reversal of 55320670612 is 21607602355.

55320670612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7077183876 + 48243486736 = 84126^2 + 219644^2 .

It is a super-2 number, since 2×55320670612² (a number of 22 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, 16812 + ... + 333052.

It is an arithmetic number, because the mean of its divisors is an integer number (4083158583).

Almost surely, 2^55320670612 is an apocalyptic number.

It is an amenable number.

55320670612 is a deficient number, since it is larger than the sum of its proper divisors (42675135380).

55320670612 is a wasteful number, since it uses less digits than its factorization.

55320670612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316779 (or 316777 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 55320670612 in words is "fifty-five billion, three hundred twenty million, six hundred seventy thousand, six hundred twelve".