90552698 has 8 divisors (see below), whose sum is σ = 136614708. Its totient is φ = 45014464.

The previous prime is 90552647. The next prime is 90552769. The reversal of 90552698 is 89625509.

It can be written as a sum of positive squares in 2 ways, for example, as 89056969 + 1495729 = 9437^2 + 1223^2 .

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

It is a super-2 number, since 2×90552698² = 16399582230158408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130511 + ... + 131202.

Almost surely, 2^90552698 is an apocalyptic number.

90552698 is a deficient number, since it is larger than the sum of its proper divisors (46062010).

90552698 is a wasteful number, since it uses less digits than its factorization.

90552698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261888.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 90552698 is about 9515.9181375209. The cubic root of 90552698 is about 449.0559600096.

The spelling of 90552698 in words is "ninety million, five hundred fifty-two thousand, six hundred ninety-eight".