90553242 has 24 divisors (see below), whose sum is σ = 196111584. Its totient is φ = 27862224.

The previous prime is 90553223. The next prime is 90553261. The reversal of 90553242 is 24235509.

It is an interprime number because it is at equal distance from previous prime (90553223) and next prime (90553261).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43638 + ... + 45665.

It is an arithmetic number, because the mean of its divisors is an integer number (8171316).

Almost surely, 2^90553242 is an apocalyptic number.

90553242 is an abundant number, since it is smaller than the sum of its proper divisors (105558342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90553242 is a wasteful number, since it uses less digits than its factorization.

90553242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89334 (or 89321 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 90553242 is about 9515.9467211623. The cubic root of 90553242 is about 449.0568592500.

The spelling of 90553242 in words is "ninety million, five hundred fifty-three thousand, two hundred forty-two".