55601351388 has 72 divisors (see below), whose sum is σ = 153357684480. Its totient is φ = 16845296160.

The previous prime is 55601351383. The next prime is 55601351389. The reversal of 55601351388 is 88315310655.

55601351388 is a `hidden beast` number, since 5 + 5 + 601 + 3 + 5 + 1 + 38 + 8 = 666.

55601351388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55601351383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2287483 + ... + 2311661.

It is an arithmetic number, because the mean of its divisors is an integer number (2129967840).

Almost surely, 2^55601351388 is an apocalyptic number.

It is an amenable number.

55601351388 is an abundant number, since it is smaller than the sum of its proper divisors (97756333092).

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

55601351388 is a wasteful number, since it uses less digits than its factorization.

55601351388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30007 (or 30002 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 55601351388 in words is "fifty-five billion, six hundred one million, three hundred fifty-one thousand, three hundred eighty-eight".