109488557 has 2 divisors, whose sum is σ = 109488558. Its totient is φ = 109488556.

The previous prime is 109488527. The next prime is 109488611. The reversal of 109488557 is 755884901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66113161 + 43375396 = 8131^2 + 6586^2 .

It is a cyclic number.

It is not a de Polignac number, because 109488557 - 2²⁶ = 42379693 is a prime.

It is a super-2 number, since 2×109488557² = 23975488227884498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109488527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54744278 + 54744279.

It is an arithmetic number, because the mean of its divisors is an integer number (54744279).

Almost surely, 2^109488557 is an apocalyptic number.

It is an amenable number.

109488557 is a deficient number, since it is larger than the sum of its proper divisors (1).

109488557 is an equidigital number, since it uses as much as digits as its factorization.

109488557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 109488557 is about 10463.6779862532. The cubic root of 109488557 is about 478.3982445252.

The spelling of 109488557 in words is "one hundred nine million, four hundred eighty-eight thousand, five hundred fifty-seven".