51552365 has 8 divisors (see below), whose sum is σ = 61911648. Its totient is φ = 41209360.

The previous prime is 51552337. The next prime is 51552367. The reversal of 51552365 is 56325515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51552365 - 2¹² = 51548269 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 (51552367) 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 7 ways as a sum of consecutive naturals, for example, 4574 + ... + 11136.

It is an arithmetic number, because the mean of its divisors is an integer number (7738956).

Almost surely, 2^51552365 is an apocalyptic number.

It is an amenable number.

51552365 is a deficient number, since it is larger than the sum of its proper divisors (10359283).

51552365 is a wasteful number, since it uses less digits than its factorization.

51552365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8139.

The product of its digits is 22500, while the sum is 32.

The square root of 51552365 is about 7179.9975626737. The cubic root of 51552365 is about 372.1770003063.

The spelling of 51552365 in words is "fifty-one million, five hundred fifty-two thousand, three hundred sixty-five".