45513617557 has 16 divisors (see below), whose sum is σ = 48957167232. Its totient is φ = 42157373440.

The previous prime is 45513617531. The next prime is 45513617593. The reversal of 45513617557 is 75571631554.

It is a cyclic number.

It is not a de Polignac number, because 45513617557 - 2¹¹ = 45513615509 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 45513617557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45513617857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646053 + ... + 713029.

It is an arithmetic number, because the mean of its divisors is an integer number (3059822952).

Almost surely, 2^45513617557 is an apocalyptic number.

It is an amenable number.

45513617557 is a deficient number, since it is larger than the sum of its proper divisors (3443549675).

45513617557 is a wasteful number, since it uses less digits than its factorization.

45513617557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67628.

The product of its digits is 2205000, while the sum is 49.

The spelling of 45513617557 in words is "forty-five billion, five hundred thirteen million, six hundred seventeen thousand, five hundred fifty-seven".