90697053 has 8 divisors (see below), whose sum is σ = 121458400. Its totient is φ = 60200208.

The previous prime is 90697039. The next prime is 90697067. The reversal of 90697053 is 35079609.

It is an interprime number because it is at equal distance from previous prime (90697039) and next prime (90697067).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90697053 - 2⁵ = 90697021 is a prime.

It is the 9524-th Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90697003) by changing a digit.

It is a nontrivial repunit in base 9523.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65323 + ... + 66696.

It is an arithmetic number, because the mean of its divisors is an integer number (15182300).

Almost surely, 2^90697053 is an apocalyptic number.

It is an amenable number.

90697053 is a deficient number, since it is larger than the sum of its proper divisors (30761347).

90697053 is a wasteful number, since it uses less digits than its factorization.

90697053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132251.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 90697053 is about 9523.5000393763. The cubic root of 90697053 is about 449.2944548632.

The spelling of 90697053 in words is "ninety million, six hundred ninety-seven thousand, fifty-three".