90910053 has 32 divisors (see below), whose sum is σ = 151361280. Its totient is φ = 53507520.

The previous prime is 90910037. The next prime is 90910081. The reversal of 90910053 is 35001909.

It is not a de Polignac number, because 90910053 - 2⁴ = 90910037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 90909999 and 90910026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90910013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2443 + ... + 13703.

It is an arithmetic number, because the mean of its divisors is an integer number (4730040).

Almost surely, 2^90910053 is an apocalyptic number.

It is an amenable number.

90910053 is a deficient number, since it is larger than the sum of its proper divisors (60451227).

90910053 is a wasteful number, since it uses less digits than its factorization.

90910053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11306 (or 11300 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 90910053 is about 9534.6763447953. The cubic root of 90910053 is about 449.6458992123.

The spelling of 90910053 in words is "ninety million, nine hundred ten thousand, fifty-three".