91545552602 has 48 divisors (see below), whose sum is σ = 172087715328. Its totient is φ = 35734728960.

The previous prime is 91545552599. The next prime is 91545552607. The reversal of 91545552602 is 20625554519.

It is not an unprimeable number, because it can be changed into a prime (91545552607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239513 + ... + 490364.

It is an arithmetic number, because the mean of its divisors is an integer number (3585160736).

Almost surely, 2^91545552602 is an apocalyptic number.

91545552602 is a deficient number, since it is larger than the sum of its proper divisors (80542162726).

91545552602 is a wasteful number, since it uses less digits than its factorization.

91545552602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729951 (or 729934 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 91545552602 in words is "ninety-one billion, five hundred forty-five million, five hundred fifty-two thousand, six hundred two".