52820655 has 8 divisors (see below), whose sum is σ = 84513072. Its totient is φ = 28171008.

The previous prime is 52820617. The next prime is 52820659. The reversal of 52820655 is 55602825.

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

It is not a de Polignac number, because 52820655 - 2⁹ = 52820143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52820659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1760674 + ... + 1760703.

It is an arithmetic number, because the mean of its divisors is an integer number (10564134).

Almost surely, 2^52820655 is an apocalyptic number.

52820655 is a deficient number, since it is larger than the sum of its proper divisors (31692417).

52820655 is a wasteful number, since it uses less digits than its factorization.

52820655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521385.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 52820655 is about 7267.7819862734. The cubic root of 52820655 is about 375.2044041192.

The spelling of 52820655 in words is "fifty-two million, eight hundred twenty thousand, six hundred fifty-five".