90253556 has 12 divisors (see below), whose sum is σ = 160301568. Its totient is φ = 44453112.

The previous prime is 90253549. The next prime is 90253609. The reversal of 90253556 is 65535209.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168116 + ... + 168651.

It is an arithmetic number, because the mean of its divisors is an integer number (13358464).

Almost surely, 2^90253556 is an apocalyptic number.

It is an amenable number.

90253556 is a deficient number, since it is larger than the sum of its proper divisors (70048012).

90253556 is a wasteful number, since it uses less digits than its factorization.

90253556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336838 (or 336836 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 90253556 is about 9500.1871560512. The cubic root of 90253556 is about 448.5609271172.

It can be divided in two parts, 90253 and 556, that added together give a palindrome (90809).

The spelling of 90253556 in words is "ninety million, two hundred fifty-three thousand, five hundred fifty-six".