90532711 has 4 divisors (see below), whose sum is σ = 90580000. Its totient is φ = 90485424.

The previous prime is 90532709. The next prime is 90532721. The reversal of 90532711 is 11723509.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11723509 = 7 ⋅1674787.

It is a cyclic number.

It is not a de Polignac number, because 90532711 - 2¹ = 90532709 is a prime.

It is a super-2 number, since 2×90532711² = 16392343522019042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90532711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90532721) 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, 20646 + ... + 24643.

It is an arithmetic number, because the mean of its divisors is an integer number (22645000).

Almost surely, 2^90532711 is an apocalyptic number.

90532711 is a deficient number, since it is larger than the sum of its proper divisors (47289).

90532711 is a wasteful number, since it uses less digits than its factorization.

90532711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47288.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 90532711 is about 9514.8678918837. The cubic root of 90532711 is about 449.0229186900.

The spelling of 90532711 in words is "ninety million, five hundred thirty-two thousand, seven hundred eleven".