52172353045 has 8 divisors (see below), whose sum is σ = 62608632120. Its totient is φ = 41736676800.

The previous prime is 52172353027. The next prime is 52172353063. The reversal of 52172353045 is 54035327125.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52172353027) and next prime (52172353063).

It can be written as a sum of positive squares in 4 ways, for example, as 5713999281 + 46458353764 = 75591^2 + 215542^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52172353045 - 2⁷ = 52172352917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52172352995 and 52172353013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68751 + ... + 330259.

It is an arithmetic number, because the mean of its divisors is an integer number (7826079015).

Almost surely, 2^52172353045 is an apocalyptic number.

It is an amenable number.

52172353045 is a deficient number, since it is larger than the sum of its proper divisors (10436279075).

52172353045 is a wasteful number, since it uses less digits than its factorization.

52172353045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301415.

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 52172353045 in words is "fifty-two billion, one hundred seventy-two million, three hundred fifty-three thousand, forty-five".