90453512 has 16 divisors (see below), whose sum is σ = 169989840. Its totient is φ = 45122896.

The previous prime is 90453469. The next prime is 90453527. The reversal of 90453512 is 21535409.

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, 9218 + ... + 16305.

It is an arithmetic number, because the mean of its divisors is an integer number (10624365).

Almost surely, 2^90453512 is an apocalyptic number.

It is an amenable number.

90453512 is a deficient number, since it is larger than the sum of its proper divisors (79536328).

90453512 is a wasteful number, since it uses less digits than its factorization.

90453512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25972 (or 25968 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 90453512 is about 9510.7051263300. The cubic root of 90453512 is about 448.8919437792.

The spelling of 90453512 in words is "ninety million, four hundred fifty-three thousand, five hundred twelve".