55356142050 has 144 divisors (see below), whose sum is σ = 171787835232. Its totient is φ = 12630259200.

The previous prime is 55356142001. The next prime is 55356142073. The reversal of 55356142050 is 5024165355.

55356142050 is a `hidden beast` number, since 5 + 5 + 3 + 561 + 42 + 0 + 50 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 55356141996 and 55356142014.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 244764 + ... + 413063.

It is an arithmetic number, because the mean of its divisors is an integer number (1192971078).

Almost surely, 2^55356142050 is an apocalyptic number.

55356142050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55356142050 is an abundant number, since it is smaller than the sum of its proper divisors (116431693182).

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

55356142050 is a wasteful number, since it uses less digits than its factorization.

55356142050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657873 (or 657865 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 55356142050 in words is "fifty-five billion, three hundred fifty-six million, one hundred forty-two thousand, fifty".