91755361 has 4 divisors (see below), whose sum is σ = 93124912. Its totient is φ = 90385812.

The previous prime is 91755343. The next prime is 91755371. The reversal of 91755361 is 16355719.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 91755361 - 2⁹ = 91754849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91755361.

It is not an unprimeable number, because it can be changed into a prime (91755331) 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, 684675 + ... + 684808.

It is an arithmetic number, because the mean of its divisors is an integer number (23281228).

Almost surely, 2^91755361 is an apocalyptic number.

It is an amenable number.

91755361 is a deficient number, since it is larger than the sum of its proper divisors (1369551).

91755361 is a wasteful number, since it uses less digits than its factorization.

91755361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369550.

The product of its digits is 28350, while the sum is 37.

The square root of 91755361 is about 9578.9018681684. The cubic root of 91755361 is about 451.0352478093.

The spelling of 91755361 in words is "ninety-one million, seven hundred fifty-five thousand, three hundred sixty-one".