106281553 has 16 divisors (see below), whose sum is σ = 124838784. Its totient is φ = 88583040.

The previous prime is 106281517. The next prime is 106281557. The reversal of 106281553 is 355182601.

It is not a de Polignac number, because 106281553 - 2²⁵ = 72727121 is a prime.

It is a super-2 number, since 2×106281553² = 22591537016183618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106281557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156651 + ... + 157327.

It is an arithmetic number, because the mean of its divisors is an integer number (7802424).

Almost surely, 2^106281553 is an apocalyptic number.

It is an amenable number.

106281553 is a deficient number, since it is larger than the sum of its proper divisors (18557231).

106281553 is an equidigital number, since it uses as much as digits as its factorization.

106281553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 106281553 is about 10309.2944957451. The cubic root of 106281553 is about 473.6809989011.

The spelling of 106281553 in words is "one hundred six million, two hundred eighty-one thousand, five hundred fifty-three".