55623553146 has 192 divisors, whose sum is σ = 150533406720. Its totient is φ = 15161580000.

The previous prime is 55623553099. The next prime is 55623553187. The reversal of 55623553146 is 64135532655.

55623553146 is a `hidden beast` number, since 5 + 5 + 623 + 5 + 5 + 3 + 14 + 6 = 666.

55623553146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5819071 + ... + 5828621.

It is an arithmetic number, because the mean of its divisors is an integer number (784028160).

Almost surely, 2^55623553146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55623553146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75266703360).

55623553146 is an abundant number, since it is smaller than the sum of its proper divisors (94909853574).

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

55623553146 is a wasteful number, since it uses less digits than its factorization.

55623553146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9678 (or 9665 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 45.

The spelling of 55623553146 in words is "fifty-five billion, six hundred twenty-three million, five hundred fifty-three thousand, one hundred forty-six".