52479751 has 4 divisors (see below), whose sum is σ = 52618600. Its totient is φ = 52340904.

The previous prime is 52479689. The next prime is 52479761. The reversal of 52479751 is 15797425.

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 52479751 - 2¹¹ = 52477703 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 (52479761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68856 + ... + 69613.

It is an arithmetic number, because the mean of its divisors is an integer number (13154650).

Almost surely, 2^52479751 is an apocalyptic number.

52479751 is a deficient number, since it is larger than the sum of its proper divisors (138849).

52479751 is a wasteful number, since it uses less digits than its factorization.

52479751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138848.

The product of its digits is 88200, while the sum is 40.

The square root of 52479751 is about 7244.2909245833. The cubic root of 52479751 is about 374.3954727968.

The spelling of 52479751 in words is "fifty-two million, four hundred seventy-nine thousand, seven hundred fifty-one".