90501044 has 24 divisors (see below), whose sum is σ = 168073920. Its totient is φ = 42546944.

The previous prime is 90501017. The next prime is 90501049. The reversal of 90501044 is 44010509.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90501049) 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, 2909 + ... + 13764.

It is an arithmetic number, because the mean of its divisors is an integer number (7003080).

Almost surely, 2^90501044 is an apocalyptic number.

It is an amenable number.

90501044 is a deficient number, since it is larger than the sum of its proper divisors (77572876).

90501044 is a wasteful number, since it uses less digits than its factorization.

90501044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16759 (or 16757 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 90501044 is about 9513.2036664838. The cubic root of 90501044 is about 448.9705587315.

The spelling of 90501044 in words is "ninety million, five hundred one thousand, forty-four".