52275969146 has 4 divisors (see below), whose sum is σ = 78413953722. Its totient is φ = 26137984572.

The previous prime is 52275969139. The next prime is 52275969157. The reversal of 52275969146 is 64196957225.

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

It can be written as a sum of positive squares in only one way, i.e., 35442204121 + 16833765025 = 188261^2 + 129745^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52275969091 and 52275969100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13068992285 + ... + 13068992288.

Almost surely, 2^52275969146 is an apocalyptic number.

52275969146 is a deficient number, since it is larger than the sum of its proper divisors (26137984576).

52275969146 is a wasteful number, since it uses less digits than its factorization.

52275969146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26137984575.

The product of its digits is 8164800, while the sum is 56.

The spelling of 52275969146 in words is "fifty-two billion, two hundred seventy-five million, nine hundred sixty-nine thousand, one hundred forty-six".