52551523 has 4 divisors (see below), whose sum is σ = 52818480. Its totient is φ = 52284568.

The previous prime is 52551503. The next prime is 52551529. The reversal of 52551523 is 32515525.

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

It is a cyclic number.

It is not a de Polignac number, because 52551523 - 2¹⁷ = 52420451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52551491 and 52551500.

It is not an unprimeable number, because it can be changed into a prime (52551529) 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, 133183 + ... + 133576.

It is an arithmetic number, because the mean of its divisors is an integer number (13204620).

Almost surely, 2^52551523 is an apocalyptic number.

52551523 is a deficient number, since it is larger than the sum of its proper divisors (266957).

52551523 is a wasteful number, since it uses less digits than its factorization.

52551523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266956.

The product of its digits is 7500, while the sum is 28.

The square root of 52551523 is about 7249.2429259889. The cubic root of 52551523 is about 374.5660711126.

The spelling of 52551523 in words is "fifty-two million, five hundred fifty-one thousand, five hundred twenty-three".