91052944 has 20 divisors (see below), whose sum is σ = 176569180. Its totient is φ = 45486720.

The previous prime is 91052917. The next prime is 91052977. The reversal of 91052944 is 44925019.

It can be written as a sum of positive squares in 2 ways, for example, as 47334400 + 43718544 = 6880^2 + 6612^2 .

It is a super-2 number, since 2×91052944² = 16581277222134272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27034 + ... + 30214.

It is an arithmetic number, because the mean of its divisors is an integer number (8828459).

Almost surely, 2^91052944 is an apocalyptic number.

It is an amenable number.

91052944 is a deficient number, since it is larger than the sum of its proper divisors (85516236).

91052944 is a wasteful number, since it uses less digits than its factorization.

91052944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4978 (or 4972 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 91052944 is about 9542.1666302785. The cubic root of 91052944 is about 449.8813580233.

The spelling of 91052944 in words is "ninety-one million, fifty-two thousand, nine hundred forty-four".