90912548 has 6 divisors (see below), whose sum is σ = 159096966. Its totient is φ = 45456272.

The previous prime is 90912529. The next prime is 90912557. The reversal of 90912548 is 84521909.

It can be written as a sum of positive squares in only one way, i.e., 68425984 + 22486564 = 8272^2 + 4742^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11364065 + ... + 11364072.

It is an arithmetic number, because the mean of its divisors is an integer number (26516161).

Almost surely, 2^90912548 is an apocalyptic number.

It is an amenable number.

90912548 is a deficient number, since it is larger than the sum of its proper divisors (68184418).

90912548 is a wasteful number, since it uses less digits than its factorization.

90912548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22728141 (or 22728139 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 90912548 is about 9534.8071821091. The cubic root of 90912548 is about 449.6500126417.

The spelling of 90912548 in words is "ninety million, nine hundred twelve thousand, five hundred forty-eight".