52561755 has 12 divisors (see below), whose sum is σ = 91107120. Its totient is φ = 28032912.

The previous prime is 52561753. The next prime is 52561757. The reversal of 52561755 is 55716525.

It is a happy number.

52561755 is a `hidden beast` number, since 525 + 61 + 75 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (52561753) and next prime (52561757).

It is not a de Polignac number, because 52561755 - 2¹ = 52561753 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (52561753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 583975 + ... + 584064.

It is an arithmetic number, because the mean of its divisors is an integer number (7592260).

Almost surely, 2^52561755 is an apocalyptic number.

52561755 is a deficient number, since it is larger than the sum of its proper divisors (38545365).

52561755 is a wasteful number, since it uses less digits than its factorization.

52561755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168050 (or 1168047 counting only the distinct ones).

The product of its digits is 52500, while the sum is 36.

The square root of 52561755 is about 7249.9486205076. The cubic root of 52561755 is about 374.5903793921.

The spelling of 52561755 in words is "fifty-two million, five hundred sixty-one thousand, seven hundred fifty-five".