56067221550 has 48 divisors (see below), whose sum is σ = 143532099072. Its totient is φ = 14468959200.

The previous prime is 56067221549. The next prime is 56067221621. The reversal of 56067221550 is 5512276065.

It is a junction number, because it is equal to n+sod(n) for n = 56067221499 and 56067221508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6024084 + ... + 6033383.

It is an arithmetic number, because the mean of its divisors is an integer number (2990252064).

Almost surely, 2^56067221550 is an apocalyptic number.

56067221550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56067221550 is an abundant number, since it is smaller than the sum of its proper divisors (87464877522).

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

56067221550 is a wasteful number, since it uses less digits than its factorization.

56067221550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12057513 (or 12057508 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 56067221550 in words is "fifty-six billion, sixty-seven million, two hundred twenty-one thousand, five hundred fifty".