55542060630 has 192 divisors, whose sum is σ = 171966412800. Its totient is φ = 12168817920.

The previous prime is 55542060619. The next prime is 55542060643. The reversal of 55542060630 is 3606024555.

It is a happy number.

55542060630 is a `hidden beast` number, since 5 + 5 + 5 + 42 + 0 + 606 + 3 + 0 = 666.

55542060630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2528595 + ... + 2550465.

It is an arithmetic number, because the mean of its divisors is an integer number (895658400).

Almost surely, 2^55542060630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55542060630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85983206400).

55542060630 is an abundant number, since it is smaller than the sum of its proper divisors (116424352170).

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

55542060630 is a wasteful number, since it uses less digits than its factorization.

55542060630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22059 (or 22056 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 55542060630 in words is "fifty-five billion, five hundred forty-two million, sixty thousand, six hundred thirty".