52407155 has 8 divisors (see below), whose sum is σ = 63091392. Its totient is φ = 41790528.

The previous prime is 52407151. The next prime is 52407161. The reversal of 52407155 is 55170425.

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 52407155 - 2² = 52407151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52407151) 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, 15179 + ... + 18308.

It is an arithmetic number, because the mean of its divisors is an integer number (7886424).

Almost surely, 2^52407155 is an apocalyptic number.

52407155 is a deficient number, since it is larger than the sum of its proper divisors (10684237).

52407155 is a wasteful number, since it uses less digits than its factorization.

52407155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33805.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 52407155 is about 7239.2786242829. The cubic root of 52407155 is about 374.2227575716. Note that the first 3 decimals are identical.

The spelling of 52407155 in words is "fifty-two million, four hundred seven thousand, one hundred fifty-five".