52170004 has 6 divisors (see below), whose sum is σ = 91297514. Its totient is φ = 26085000.

The previous prime is 52169989. The next prime is 52170007. The reversal of 52170004 is 40007125.

It can be written as a sum of positive squares in only one way, i.e., 37332100 + 14837904 = 6110^2 + 3852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52170007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6521247 + ... + 6521254.

Almost surely, 2^52170004 is an apocalyptic number.

It is an amenable number.

52170004 is a deficient number, since it is larger than the sum of its proper divisors (39127510).

52170004 is a wasteful number, since it uses less digits than its factorization.

52170004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13042505 (or 13042503 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 52170004 is about 7222.8805887956. The cubic root of 52170004 is about 373.6574307944.

Adding to 52170004 its reverse (40007125), we get a palindrome (92177129).

The spelling of 52170004 in words is "fifty-two million, one hundred seventy thousand, four".