90403052 has 6 divisors (see below), whose sum is σ = 158205348. Its totient is φ = 45201524.

The previous prime is 90403031. The next prime is 90403057. The reversal of 90403052 is 25030409.

It is not an unprimeable number, because it can be changed into a prime (90403057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11300378 + ... + 11300385.

It is an arithmetic number, because the mean of its divisors is an integer number (26367558).

Almost surely, 2^90403052 is an apocalyptic number.

It is an amenable number.

90403052 is a deficient number, since it is larger than the sum of its proper divisors (67802296).

90403052 is a wasteful number, since it uses less digits than its factorization.

90403052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22600767 (or 22600765 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 90403052 is about 9508.0519561054. The cubic root of 90403052 is about 448.8084559547.

The spelling of 90403052 in words is "ninety million, four hundred three thousand, fifty-two".