90250052 has 12 divisors (see below), whose sum is σ = 163032576. Its totient is φ = 43669320.

The previous prime is 90250051. The next prime is 90250063. The reversal of 90250052 is 25005209.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90250051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363788 + ... + 364035.

It is an arithmetic number, because the mean of its divisors is an integer number (13586048).

Almost surely, 2^90250052 is an apocalyptic number.

It is an amenable number.

90250052 is a deficient number, since it is larger than the sum of its proper divisors (72782524).

90250052 is a wasteful number, since it uses less digits than its factorization.

90250052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727858 (or 727856 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 90250052 is about 9500.0027368417. The cubic root of 90250052 is about 448.5551220723. Note that the first 3 decimals are identical.

The spelling of 90250052 in words is "ninety million, two hundred fifty thousand, fifty-two".