90738553 has 8 divisors (see below), whose sum is σ = 92027880. Its totient is φ = 89456640.

The previous prime is 90738539. The next prime is 90738563. The reversal of 90738553 is 35583709.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13860729 + 76877824 = 3723^2 + 8768^2 .

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 90738553 - 2²¹ = 88641401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90738533) 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, 25593 + ... + 28921.

It is an arithmetic number, because the mean of its divisors is an integer number (11503485).

Almost surely, 2^90738553 is an apocalyptic number.

It is an amenable number.

90738553 is a deficient number, since it is larger than the sum of its proper divisors (1289327).

90738553 is a wasteful number, since it uses less digits than its factorization.

90738553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 90738553 is about 9525.6786109967. The cubic root of 90738553 is about 449.3629718881.

The spelling of 90738553 in words is "ninety million, seven hundred thirty-eight thousand, five hundred fifty-three".