45623311057 has 4 divisors (see below), whose sum is σ = 46856373556. Its totient is φ = 44390248560.

The previous prime is 45623311021. The next prime is 45623311087. The reversal of 45623311057 is 75011332654.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33343125201 + 12280185856 = 182601^2 + 110816^2 .

It is a cyclic number.

It is not a de Polignac number, because 45623311057 - 2¹¹ = 45623309009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1233062461 = 45623311057 / (4 + 5 + 6 + 2 + 3 + 3 + 1 + 1 + 0 + 5 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45623311007) 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, 616531194 + ... + 616531267.

It is an arithmetic number, because the mean of its divisors is an integer number (11714093389).

Almost surely, 2^45623311057 is an apocalyptic number.

It is an amenable number.

45623311057 is a deficient number, since it is larger than the sum of its proper divisors (1233062499).

45623311057 is a wasteful number, since it uses less digits than its factorization.

45623311057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233062498.

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 45623311057 in words is "forty-five billion, six hundred twenty-three million, three hundred eleven thousand, fifty-seven".