91053748 has 6 divisors (see below), whose sum is σ = 159344066. Its totient is φ = 45526872.

The previous prime is 91053731. The next prime is 91053773. The reversal of 91053748 is 84735019.

It can be written as a sum of positive squares in only one way, i.e., 64448784 + 26604964 = 8028^2 + 5158^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11381715 + ... + 11381722.

Almost surely, 2^91053748 is an apocalyptic number.

It is an amenable number.

91053748 is a deficient number, since it is larger than the sum of its proper divisors (68290318).

91053748 is a wasteful number, since it uses less digits than its factorization.

91053748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22763441 (or 22763439 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 91053748 is about 9542.2087589824. The cubic root of 91053748 is about 449.8826821744.

The spelling of 91053748 in words is "ninety-one million, fifty-three thousand, seven hundred forty-eight".