52669145 has 16 divisors (see below), whose sum is σ = 67557888. Its totient is φ = 39279360.

The previous prime is 52669117. The next prime is 52669151. The reversal of 52669145 is 54196625.

It is not a de Polignac number, because 52669145 - 2¹² = 52665049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52669099 and 52669108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6200 + ... + 11990.

It is an arithmetic number, because the mean of its divisors is an integer number (4222368).

Almost surely, 2^52669145 is an apocalyptic number.

It is an amenable number.

52669145 is a deficient number, since it is larger than the sum of its proper divisors (14888743).

52669145 is a wasteful number, since it uses less digits than its factorization.

52669145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5920.

The product of its digits is 64800, while the sum is 38.

The square root of 52669145 is about 7257.3511007805. The cubic root of 52669145 is about 374.8453169446.

The spelling of 52669145 in words is "fifty-two million, six hundred sixty-nine thousand, one hundred forty-five".