90049052 has 12 divisors (see below), whose sum is σ = 161250936. Its totient is φ = 43977360.

The previous prime is 90049033. The next prime is 90049061. The reversal of 90049052 is 25094009.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 261599 + ... + 261942.

It is an arithmetic number, because the mean of its divisors is an integer number (13437578).

Almost surely, 2^90049052 is an apocalyptic number.

It is an amenable number.

90049052 is a deficient number, since it is larger than the sum of its proper divisors (71201884).

90049052 is a wasteful number, since it uses less digits than its factorization.

90049052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523588 (or 523586 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 90049052 is about 9489.4178957405. The cubic root of 90049052 is about 448.2218753749.

The spelling of 90049052 in words is "ninety million, forty-nine thousand, fifty-two".