55551061010 has 32 divisors (see below), whose sum is σ = 104671263744.
Its totient is φ = 21200760000.
The previous prime is 55551060997. The next prime is 55551061021. The reversal of 55551061010 is 1016015555.
Adding to 55551061010 its reverse (1016015555), we get a palindrome (56567076565).
It is a happy number.
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, 1239941 + ... + 1283960.
It is an arithmetic number, because the mean of its divisors is an integer number (3270976992).
Almost surely, 255551061010 is an apocalyptic number.
55551061010 is a deficient number, since it is larger than the sum of its proper divisors (49120202734).
55551061010 is a wasteful number, since it uses less digits than its factorization.
55551061010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2524010.
The product of its (nonzero) digits is 3750, while the sum is 29.
The spelling of 55551061010 in words is "fifty-five billion, five hundred fifty-one million, sixty-one thousand, ten".