55632151237720 has 128 divisors (see below), whose sum is σ = 136376926560000. Its totient is φ = 20343786204672.

The previous prime is 55632151237711. The next prime is 55632151237759. The reversal of 55632151237720 is 2773215123655.

55632151237720 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40472691 + ... + 41824669.

It is an arithmetic number, because the mean of its divisors is an integer number (1065444738750).

Almost surely, 2^{55632151237720} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55632151237720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68188463280000).

55632151237720 is an abundant number, since it is smaller than the sum of its proper divisors (80744775322280).

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

55632151237720 is a wasteful number, since it uses less digits than its factorization.

55632151237720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353905 (or 1353901 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 55632151237720 in words is "fifty-five trillion, six hundred thirty-two billion, one hundred fifty-one million, two hundred thirty-seven thousand, seven hundred twenty".