52312551 has 16 divisors (see below), whose sum is σ = 71468544. Its totient is φ = 34020864.

The previous prime is 52312517. The next prime is 52312573. The reversal of 52312551 is 15521325.

It is a happy number.

It is not a de Polignac number, because 52312551 - 2⁷ = 52312423 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52312501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81036 + ... + 81678.

It is an arithmetic number, because the mean of its divisors is an integer number (4466784).

Almost surely, 2^52312551 is an apocalyptic number.

52312551 is a deficient number, since it is larger than the sum of its proper divisors (19155993).

52312551 is a wasteful number, since it uses less digits than its factorization.

52312551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270.

The product of its digits is 1500, while the sum is 24.

The square root of 52312551 is about 7232.7415963796. The cubic root of 52312551 is about 373.9974429558.

Adding to 52312551 its reverse (15521325), we get a palindrome (67833876).

The spelling of 52312551 in words is "fifty-two million, three hundred twelve thousand, five hundred fifty-one".