561060510550 has 24 divisors (see below), whose sum is σ = 1067841682776. Its totient is φ = 219205035840.

The previous prime is 561060510547. The next prime is 561060510607. The reversal of 561060510550 is 55015060165.

It is a super-2 number, since 2×561060510550² (a number of 24 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, 130477039 + ... + 130481338.

It is an arithmetic number, because the mean of its divisors is an integer number (44493403449).

Almost surely, 2^561060510550 is an apocalyptic number.

561060510550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

561060510550 is a deficient number, since it is larger than the sum of its proper divisors (506781172226).

561060510550 is a wasteful number, since it uses less digits than its factorization.

561060510550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260958432 (or 260958427 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 561060510550 in words is "five hundred sixty-one billion, sixty million, five hundred ten thousand, five hundred fifty".