90534457 has 8 divisors (see below), whose sum is σ = 97574400. Its totient is φ = 83505360.

The previous prime is 90534421. The next prime is 90534461. The reversal of 90534457 is 75443509.

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 90534457 - 2⁷ = 90534329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90534757) 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, 25794 + ... + 29092.

It is an arithmetic number, because the mean of its divisors is an integer number (12196800).

Almost surely, 2^90534457 is an apocalyptic number.

It is an amenable number.

90534457 is a deficient number, since it is larger than the sum of its proper divisors (7039943).

90534457 is a wasteful number, since it uses less digits than its factorization.

90534457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 90534457 is about 9514.9596425839. The cubic root of 90534457 is about 449.0258052672.

The spelling of 90534457 in words is "ninety million, five hundred thirty-four thousand, four hundred fifty-seven".