90553168 has 20 divisors (see below), whose sum is σ = 175836960. Its totient is φ = 45175904.

The previous prime is 90553163. The next prime is 90553181. The reversal of 90553168 is 86135509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90553163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413 + ... + 13531.

It is an arithmetic number, because the mean of its divisors is an integer number (8791848).

Almost surely, 2^90553168 is an apocalyptic number.

It is an amenable number.

90553168 is a deficient number, since it is larger than the sum of its proper divisors (85283792).

90553168 is a wasteful number, since it uses less digits than its factorization.

90553168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12594 (or 12588 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 90553168 is about 9515.9428329514. The cubic root of 90553168 is about 449.0567369271.

The spelling of 90553168 in words is "ninety million, five hundred fifty-three thousand, one hundred sixty-eight".