90051132 has 24 divisors (see below), whose sum is σ = 210902272. Its totient is φ = 29905200.

The previous prime is 90051131. The next prime is 90051133. The reversal of 90051132 is 23115009.

It is an interprime number because it is at equal distance from previous prime (90051131) and next prime (90051133).

It is a junction number, because it is equal to n+sod(n) for n = 90051099 and 90051108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90051131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10594 + ... + 17097.

Almost surely, 2^90051132 is an apocalyptic number.

It is an amenable number.

90051132 is an abundant number, since it is smaller than the sum of its proper divisors (120851140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90051132 is a wasteful number, since it uses less digits than its factorization.

90051132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27969 (or 27967 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 90051132 is about 9489.5274908712. The cubic root of 90051132 is about 448.2253264359.

The spelling of 90051132 in words is "ninety million, fifty-one thousand, one hundred thirty-two".