55571050290 has 32 divisors (see below), whose sum is σ = 152423452800. Its totient is φ = 12701954304.

The previous prime is 55571050267. The next prime is 55571050309. The reversal of 55571050290 is 9205017555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132311815 + ... + 132312234.

It is an arithmetic number, because the mean of its divisors is an integer number (4763232900).

Almost surely, 2^55571050290 is an apocalyptic number.

55571050290 is an abundant number, since it is smaller than the sum of its proper divisors (96852402510).

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

55571050290 is a wasteful number, since it uses less digits than its factorization.

55571050290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264624066.

The product of its (nonzero) digits is 78750, while the sum is 39.

The spelling of 55571050290 in words is "fifty-five billion, five hundred seventy-one million, fifty thousand, two hundred ninety".