55146600522 has 128 divisors (see below), whose sum is σ = 135174251520. Its totient is φ = 16558940160.

The previous prime is 55146600503. The next prime is 55146600539. The reversal of 55146600522 is 22500664155.

55146600522 is a `hidden beast` number, since 5 + 5 + 1 + 46 + 600 + 5 + 2 + 2 = 666.

It is a super-2 number, since 2×55146600522² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12304522 + ... + 12309002.

It is an arithmetic number, because the mean of its divisors is an integer number (1056048840).

Almost surely, 2^55146600522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55146600522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67587125760).

55146600522 is an abundant number, since it is smaller than the sum of its proper divisors (80027650998).

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

55146600522 is a wasteful number, since it uses less digits than its factorization.

55146600522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4925 (or 4919 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 55146600522 in words is "fifty-five billion, one hundred forty-six million, six hundred thousand, five hundred twenty-two".