52020463 has 4 divisors (see below), whose sum is σ = 56749608. Its totient is φ = 47291320.

The previous prime is 52020439. The next prime is 52020467. The reversal of 52020463 is 36402025.

It is a happy number.

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 52020463 - 2¹⁷ = 51889391 is a prime.

It is a super-2 number, since 2×52020463² = 5412257141468738, 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 (52020467) 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, 2364556 + ... + 2364577.

It is an arithmetic number, because the mean of its divisors is an integer number (14187402).

Almost surely, 2^52020463 is an apocalyptic number.

52020463 is a deficient number, since it is larger than the sum of its proper divisors (4729145).

52020463 is a wasteful number, since it uses less digits than its factorization.

52020463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729144.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 52020463 is about 7212.5212651333. The cubic root of 52020463 is about 373.3000697581.

Adding to 52020463 its reverse (36402025), we get a palindrome (88422488).

The spelling of 52020463 in words is "fifty-two million, twenty thousand, four hundred sixty-three".