52620655 has 4 divisors (see below), whose sum is σ = 63144792. Its totient is φ = 42096520.

The previous prime is 52620653. The next prime is 52620677. The reversal of 52620655 is 55602625.

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

It is not a de Polignac number, because 52620655 - 2¹ = 52620653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52620653) 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, 5262061 + ... + 5262070.

It is an arithmetic number, because the mean of its divisors is an integer number (15786198).

Almost surely, 2^52620655 is an apocalyptic number.

52620655 is a deficient number, since it is larger than the sum of its proper divisors (10524137).

52620655 is a wasteful number, since it uses less digits than its factorization.

52620655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10524136.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 52620655 is about 7254.0095809145. The cubic root of 52620655 is about 374.7302474842.

The spelling of 52620655 in words is "fifty-two million, six hundred twenty thousand, six hundred fifty-five".