90255043 has 4 divisors (see below), whose sum is σ = 93166528. Its totient is φ = 87343560.

The previous prime is 90255037. The next prime is 90255049. The reversal of 90255043 is 34055209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34055209 = 643 ⋅52963.

It is an interprime number because it is at equal distance from previous prime (90255037) and next prime (90255049).

It is a cyclic number.

It is not a de Polignac number, because 90255043 - 2¹³ = 90246851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90255049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1455696 + ... + 1455757.

It is an arithmetic number, because the mean of its divisors is an integer number (23291632).

Almost surely, 2^90255043 is an apocalyptic number.

90255043 is a deficient number, since it is larger than the sum of its proper divisors (2911485).

90255043 is a wasteful number, since it uses less digits than its factorization.

90255043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911484.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 90255043 is about 9500.2654173449. The cubic root of 90255043 is about 448.5633905711.

It can be divided in two parts, 902 and 55043, that added together give a triangular number (55945 = T₃₃₄).

The spelling of 90255043 in words is "ninety million, two hundred fifty-five thousand, forty-three".