101565056 has 32 divisors (see below), whose sum is σ = 211140000. Its totient is φ = 48573184.

The previous prime is 101565053. The next prime is 101565059. The reversal of 101565056 is 650565101.

It is an interprime number because it is at equal distance from previous prime (101565053) and next prime (101565059).

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (101565053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14306 + ... + 20193.

It is an arithmetic number, because the mean of its divisors is an integer number (6598125).

Almost surely, 2^101565056 is an apocalyptic number.

101565056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

101565056 is an abundant number, since it is smaller than the sum of its proper divisors (109574944).

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

101565056 is an equidigital number, since it uses as much as digits as its factorization.

101565056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34536 (or 34524 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 101565056 is about 10077.9489976880. The cubic root of 101565056 is about 466.5678085379.

The spelling of 101565056 in words is "one hundred one million, five hundred sixty-five thousand, fifty-six".