52020655 has 8 divisors (see below), whose sum is σ = 62669232. Its totient is φ = 41453568.

The previous prime is 52020653. The next prime is 52020671. The reversal of 52020655 is 55602025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52020655 - 2¹ = 52020653 is a prime.

It is a super-2 number, since 2×52020655² = 5412297093258050, 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 (52020653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18957 + ... + 21526.

It is an arithmetic number, because the mean of its divisors is an integer number (7833654).

Almost surely, 2^52020655 is an apocalyptic number.

52020655 is a deficient number, since it is larger than the sum of its proper divisors (10648577).

52020655 is a wasteful number, since it uses less digits than its factorization.

52020655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40745.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 52020655 is about 7212.5345753071. The cubic root of 52020655 is about 373.3005290231.

The spelling of 52020655 in words is "fifty-two million, twenty thousand, six hundred fifty-five".