55646113240 has 32 divisors (see below), whose sum is σ = 126311762880. Its totient is φ = 22061466112.

The previous prime is 55646113157. The next prime is 55646113283. The reversal of 55646113240 is 4231164655.

55646113240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55646113240.

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, 6151024 + ... + 6160063.

It is an arithmetic number, because the mean of its divisors is an integer number (3947242590).

Almost surely, 2^55646113240 is an apocalyptic number.

It is an amenable number.

55646113240 is an abundant number, since it is smaller than the sum of its proper divisors (70665649640).

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

55646113240 is a wasteful number, since it uses less digits than its factorization.

55646113240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12311211 (or 12311207 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 55646113240 its reverse (4231164655), we get a palindrome (59877277895).

The spelling of 55646113240 in words is "fifty-five billion, six hundred forty-six million, one hundred thirteen thousand, two hundred forty".