52162207 has 4 divisors (see below), whose sum is σ = 52232416. Its totient is φ = 52092000.

The previous prime is 52162189. The next prime is 52162217. The reversal of 52162207 is 70226125.

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

It is a cyclic number.

It is not a de Polignac number, because 52162207 - 2¹⁹ = 51637919 is a prime.

It is a super-2 number, since 2×52162207² = 5441791678221698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52162217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33978 + ... + 35479.

It is an arithmetic number, because the mean of its divisors is an integer number (13058104).

Almost surely, 2^52162207 is an apocalyptic number.

52162207 is a deficient number, since it is larger than the sum of its proper divisors (70209).

52162207 is an equidigital number, since it uses as much as digits as its factorization.

52162207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70208.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 52162207 is about 7222.3408255219. The cubic root of 52162207 is about 373.6388150388.

The spelling of 52162207 in words is "fifty-two million, one hundred sixty-two thousand, two hundred seven".