107055521 has 2 divisors, whose sum is σ = 107055522. Its totient is φ = 107055520.

The previous prime is 107055503. The next prime is 107055589. The reversal of 107055521 is 125550701.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90935296 + 16120225 = 9536^2 + 4015^2 .

It is a cyclic number.

It is not a de Polignac number, because 107055521 - 2²² = 102861217 is a prime.

It is a super-2 number, since 2×107055521² = 22921769153162882, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (107055721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53527760 + 53527761.

It is an arithmetic number, because the mean of its divisors is an integer number (53527761).

Almost surely, 2^107055521 is an apocalyptic number.

It is an amenable number.

107055521 is a deficient number, since it is larger than the sum of its proper divisors (1).

107055521 is an equidigital number, since it uses as much as digits as its factorization.

107055521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 107055521 is about 10346.7637935733. The cubic root of 107055521 is about 474.8280389540.

The spelling of 107055521 in words is "one hundred seven million, fifty-five thousand, five hundred twenty-one".