52120755 has 24 divisors (see below), whose sum is σ = 90513072. Its totient is φ = 27745344.

The previous prime is 52120751. The next prime is 52120769. The reversal of 52120755 is 55702125.

It is a happy number.

It is not a de Polignac number, because 52120755 - 2² = 52120751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52120751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40177 + ... + 41453.

It is an arithmetic number, because the mean of its divisors is an integer number (3771378).

Almost surely, 2^52120755 is an apocalyptic number.

52120755 is a deficient number, since it is larger than the sum of its proper divisors (38392317).

52120755 is a wasteful number, since it uses less digits than its factorization.

52120755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195 (or 2192 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 52120755 is about 7219.4705484544. The cubic root of 52120755 is about 373.5398150058.

The spelling of 52120755 in words is "fifty-two million, one hundred twenty thousand, seven hundred fifty-five".