90631490554 has 8 divisors (see below), whose sum is σ = 148306075488. Its totient is φ = 41196132060.

The previous prime is 90631490473. The next prime is 90631490603. The reversal of 90631490554 is 45509413609.

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

It is a super-3 number, since 3×90631490554³ (a number of 34 digits) contains 333 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, 2059806582 + ... + 2059806625.

It is an arithmetic number, because the mean of its divisors is an integer number (18538259436).

Almost surely, 2^90631490554 is an apocalyptic number.

90631490554 is a deficient number, since it is larger than the sum of its proper divisors (57674584934).

90631490554 is a wasteful number, since it uses less digits than its factorization.

90631490554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119613220.

The product of its (nonzero) digits is 583200, while the sum is 46.

It can be divided in two parts, 90631 and 490554, that added together give a palindrome (581185).

The spelling of 90631490554 in words is "ninety billion, six hundred thirty-one million, four hundred ninety thousand, five hundred fifty-four".