45552783917 has 18 divisors (see below), whose sum is σ = 49015353582. Its totient is φ = 42313577904.

The previous prime is 45552783911. The next prime is 45552783919. The reversal of 45552783917 is 71938725554.

It can be written as a sum of positive squares in only one way, i.e., 42114837961 + 3437945956 = 205219^2 + 58634^2 .

It is not a de Polignac number, because 45552783917 - 2²² = 45548589613 is a prime.

It is a super-2 number, since 2×45552783917² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45552783911) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29521448 + ... + 29522990.

It is an arithmetic number, because the mean of its divisors is an integer number (2723075199).

Almost surely, 2^45552783917 is an apocalyptic number.

It is an amenable number.

45552783917 is a deficient number, since it is larger than the sum of its proper divisors (3462569665).

45552783917 is an frugal number, since it uses more digits than its factorization.

45552783917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177 (or 1615 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 56.

The spelling of 45552783917 in words is "forty-five billion, five hundred fifty-two million, seven hundred eighty-three thousand, nine hundred seventeen".