52535551 has 8 divisors (see below), whose sum is σ = 56587520. Its totient is φ = 48612312.

The previous prime is 52535537. The next prime is 52535563. The reversal of 52535551 is 15553525.

It is a happy number.

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 52535551 - 2¹³ = 52527359 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 (52535051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31335 + ... + 32968.

It is an arithmetic number, because the mean of its divisors is an integer number (7073440).

Almost surely, 2^52535551 is an apocalyptic number.

52535551 is a deficient number, since it is larger than the sum of its proper divisors (4051969).

52535551 is a wasteful number, since it uses less digits than its factorization.

52535551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64365.

The product of its digits is 18750, while the sum is 31.

The square root of 52535551 is about 7248.1412099931. The cubic root of 52535551 is about 374.5281199418.

The spelling of 52535551 in words is "fifty-two million, five hundred thirty-five thousand, five hundred fifty-one".