55005567722 has 16 divisors (see below), whose sum is σ = 95893485120. Its totient is φ = 23174258208.

The previous prime is 55005567713. The next prime is 55005567731. The reversal of 55005567722 is 22776550055.

It is an interprime number because it is at equal distance from previous prime (55005567713) and next prime (55005567731).

It is a super-2 number, since 2×55005567722² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33295523 + ... + 33297174.

It is an arithmetic number, because the mean of its divisors is an integer number (5993342820).

Almost surely, 2^55005567722 is an apocalyptic number.

55005567722 is a deficient number, since it is larger than the sum of its proper divisors (40887917398).

55005567722 is a wasteful number, since it uses less digits than its factorization.

55005567722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66592765.

The product of its (nonzero) digits is 735000, while the sum is 44.

The spelling of 55005567722 in words is "fifty-five billion, five million, five hundred sixty-seven thousand, seven hundred twenty-two".