90079557553 has 8 divisors (see below), whose sum is σ = 90358069760. Its totient is φ = 89801330400.

The previous prime is 90079557437. The next prime is 90079557613. The reversal of 90079557553 is 35575597009.

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 90079557553 - 2²¹ = 90077460401 is a prime.

It is a super-2 number, since 2×90079557553² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90079557494 and 90079557503.

It is not an unprimeable number, because it can be changed into a prime (90079558553) 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, 570628 + ... + 711178.

It is an arithmetic number, because the mean of its divisors is an integer number (11294758720).

Almost surely, 2^90079557553 is an apocalyptic number.

It is an amenable number.

90079557553 is a deficient number, since it is larger than the sum of its proper divisors (278512207).

90079557553 is a wasteful number, since it uses less digits than its factorization.

90079557553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142527.

The product of its (nonzero) digits is 7441875, while the sum is 55.

The spelling of 90079557553 in words is "ninety billion, seventy-nine million, five hundred fifty-seven thousand, five hundred fifty-three".