91053722 has 8 divisors (see below), whose sum is σ = 137933172. Its totient is φ = 45076000.

The previous prime is 91053713. The next prime is 91053731. The reversal of 91053722 is 22735019.

It is an interprime number because it is at equal distance from previous prime (91053713) and next prime (91053731).

It can be written as a sum of positive squares in 2 ways, for example, as 83704201 + 7349521 = 9149^2 + 2711^2 .

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

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, 225179 + ... + 225582.

Almost surely, 2^91053722 is an apocalyptic number.

91053722 is a deficient number, since it is larger than the sum of its proper divisors (46879450).

91053722 is a wasteful number, since it uses less digits than its factorization.

91053722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450864.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 91053722 is about 9542.2073966143. The cubic root of 91053722 is about 449.8826393537.

The spelling of 91053722 in words is "ninety-one million, fifty-three thousand, seven hundred twenty-two".