55192190508 has 768 divisors, whose sum is σ = 194406912000. Its totient is φ = 13302558720.

The previous prime is 55192190503. The next prime is 55192190539. The reversal of 55192190508 is 80509129155.

55192190508 is a `hidden beast` number, since 5 + 51 + 9 + 2 + 1 + 90 + 508 = 666.

It is not an unprimeable number, because it can be changed into a prime (55192190503) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 620136928 + ... + 620137016.

It is an arithmetic number, because the mean of its divisors is an integer number (253134000).

Almost surely, 2^55192190508 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 55192190508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97203456000).

55192190508 is an abundant number, since it is smaller than the sum of its proper divisors (139214721492).

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

55192190508 is a wasteful number, since it uses less digits than its factorization.

55192190508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 45.

The spelling of 55192190508 in words is "fifty-five billion, one hundred ninety-two million, one hundred ninety thousand, five hundred eight".