91553468 has 6 divisors (see below), whose sum is σ = 160218576. Its totient is φ = 45776732.

The previous prime is 91553467. The next prime is 91553471. The reversal of 91553468 is 86435519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91553467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11444180 + ... + 11444187.

It is an arithmetic number, because the mean of its divisors is an integer number (26703096).

Almost surely, 2^91553468 is an apocalyptic number.

It is an amenable number.

91553468 is a deficient number, since it is larger than the sum of its proper divisors (68665108).

91553468 is a wasteful number, since it uses less digits than its factorization.

91553468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22888371 (or 22888369 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 91553468 is about 9568.3576438175. The cubic root of 91553468 is about 450.7041945668.

The spelling of 91553468 in words is "ninety-one million, five hundred fifty-three thousand, four hundred sixty-eight".