52403644667 has 16 divisors (see below), whose sum is σ = 57756741120. Its totient is φ = 47149116000.

The previous prime is 52403644651. The next prime is 52403644687. The reversal of 52403644667 is 76644630425.

It is a cyclic number.

It is not a de Polignac number, because 52403644667 - 2⁴ = 52403644651 is a prime.

It is a super-2 number, since 2×52403644667² (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 (52403644607) 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, 3283934 + ... + 3299852.

It is an arithmetic number, because the mean of its divisors is an integer number (3609796320).

Almost surely, 2^52403644667 is an apocalyptic number.

52403644667 is a deficient number, since it is larger than the sum of its proper divisors (5353096453).

52403644667 is a wasteful number, since it uses less digits than its factorization.

52403644667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18994.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 52403644667 in words is "fifty-two billion, four hundred three million, six hundred forty-four thousand, six hundred sixty-seven".