90613954 has 4 divisors (see below), whose sum is σ = 135920934. Its totient is φ = 45306976.

The previous prime is 90613937. The next prime is 90613967. The reversal of 90613954 is 45931609.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59644729 + 30969225 = 7723^2 + 5565^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22653487 + ... + 22653490.

Almost surely, 2^90613954 is an apocalyptic number.

90613954 is a deficient number, since it is larger than the sum of its proper divisors (45306980).

90613954 is a wasteful number, since it uses less digits than its factorization.

90613954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45306979.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 90613954 is about 9519.1362003073. The cubic root of 90613954 is about 449.1571945106.

The spelling of 90613954 in words is "ninety million, six hundred thirteen thousand, nine hundred fifty-four".