90960557 has 8 divisors (see below), whose sum is σ = 98361216. Its totient is φ = 83787712.

The previous prime is 90960547. The next prime is 90960563. The reversal of 90960557 is 75506909.

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 90960557 - 2²⁶ = 23851693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90960547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56123 + ... + 57720.

It is an arithmetic number, because the mean of its divisors is an integer number (12295152).

Almost surely, 2^90960557 is an apocalyptic number.

It is an amenable number.

90960557 is a deficient number, since it is larger than the sum of its proper divisors (7400659).

90960557 is a wasteful number, since it uses less digits than its factorization.

90960557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113907.

The product of its (nonzero) digits is 85050, while the sum is 41.

The square root of 90960557 is about 9537.3244151596. The cubic root of 90960557 is about 449.7291489440.

The spelling of 90960557 in words is "ninety million, nine hundred sixty thousand, five hundred fifty-seven".