91553049548 has 12 divisors (see below), whose sum is σ = 160229449800. Its totient is φ = 45773206752.

The previous prime is 91553049529. The next prime is 91553049563. The reversal of 91553049548 is 84594035519.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 91553049548.

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, 766898 + ... + 878201.

It is an arithmetic number, because the mean of its divisors is an integer number (13352454150).

Almost surely, 2^91553049548 is an apocalyptic number.

It is an amenable number.

91553049548 is a deficient number, since it is larger than the sum of its proper divisors (68676400252).

91553049548 is a wasteful number, since it uses less digits than its factorization.

91553049548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659016 (or 1659014 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 91553049548 in words is "ninety-one billion, five hundred fifty-three million, forty-nine thousand, five hundred forty-eight".