55000000505590 has 24 divisors (see below), whose sum is σ = 115163266365792. Its totient is φ = 18857143030320.

The previous prime is 55000000505573. The next prime is 55000000505629. The reversal of 55000000505590 is 9550500000055.

It is a super-2 number, since 2×55000000505590² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56122449006 + ... + 56122449985.

It is an arithmetic number, because the mean of its divisors is an integer number (4798469431908).

Almost surely, 2^{55000000505590} is an apocalyptic number.

55000000505590 is an abundant number, since it is smaller than the sum of its proper divisors (60163265860202).

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

55000000505590 is a wasteful number, since it uses less digits than its factorization.

55000000505590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112244899012 (or 112244899005 counting only the distinct ones).

The product of its (nonzero) digits is 28125, while the sum is 34.

The spelling of 55000000505590 in words is "fifty-five trillion, five hundred five thousand, five hundred ninety".