90200054 has 8 divisors (see below), whose sum is σ = 154628688. Its totient is φ = 38657160.

The previous prime is 90200053. The next prime is 90200057. The reversal of 90200054 is 45000209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 90199999 and 90200035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90200053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3221417 + ... + 3221444.

It is an arithmetic number, because the mean of its divisors is an integer number (19328586).

Almost surely, 2^90200054 is an apocalyptic number.

90200054 is a deficient number, since it is larger than the sum of its proper divisors (64428634).

90200054 is a wasteful number, since it uses less digits than its factorization.

90200054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6442870.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 90200054 is about 9497.3708993595. The cubic root of 90200054 is about 448.4722744683.

The spelling of 90200054 in words is "ninety million, two hundred thousand, fifty-four".