90590551 has 8 divisors (see below), whose sum is σ = 94219664. Its totient is φ = 87030720.

The previous prime is 90590527. The next prime is 90590557. The reversal of 90590551 is 15509509.

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

It is a cyclic number.

It is not a de Polignac number, because 90590551 - 2⁹ = 90590039 is a prime.

It is a super-3 number, since 3×90590551³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90590557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14646 + ... + 19891.

It is an arithmetic number, because the mean of its divisors is an integer number (11777458).

Almost surely, 2^90590551 is an apocalyptic number.

90590551 is a deficient number, since it is larger than the sum of its proper divisors (3629113).

90590551 is a wasteful number, since it uses less digits than its factorization.

90590551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34641.

The product of its (nonzero) digits is 10125, while the sum is 34.

The square root of 90590551 is about 9517.9068602293. The cubic root of 90590551 is about 449.1185230167.

The spelling of 90590551 in words is "ninety million, five hundred ninety thousand, five hundred fifty-one".