45755551019 has 4 divisors (see below), whose sum is σ = 45766344120. Its totient is φ = 45744757920.

The previous prime is 45755551013. The next prime is 45755551033. The reversal of 45755551019 is 91015555754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45755551019 is a prime.

It is a super-2 number, since 2×45755551019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45755551013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5390189 + ... + 5398670.

It is an arithmetic number, because the mean of its divisors is an integer number (11441586030).

Almost surely, 2^45755551019 is an apocalyptic number.

45755551019 is a deficient number, since it is larger than the sum of its proper divisors (10793101).

45755551019 is a wasteful number, since it uses less digits than its factorization.

45755551019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10793100.

The product of its (nonzero) digits is 787500, while the sum is 47.

The spelling of 45755551019 in words is "forty-five billion, seven hundred fifty-five million, five hundred fifty-one thousand, nineteen".