90049053 has 8 divisors (see below), whose sum is σ = 120338208. Its totient is φ = 59896304.

The previous prime is 90049033. The next prime is 90049061. The reversal of 90049053 is 35094009.

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 90049053 - 2⁵ = 90049021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90049053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90049013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32550 + ... + 35207.

It is an arithmetic number, because the mean of its divisors is an integer number (15042276).

Almost surely, 2^90049053 is an apocalyptic number.

It is an amenable number.

90049053 is a deficient number, since it is larger than the sum of its proper divisors (30289155).

90049053 is a wasteful number, since it uses less digits than its factorization.

90049053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68203.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 90049053 is about 9489.4179484308. The cubic root of 90049053 is about 448.2218770341.

The spelling of 90049053 in words is "ninety million, forty-nine thousand, fifty-three".