51552411439 has 8 divisors (see below), whose sum is σ = 54675688032. Its totient is φ = 48502623840.

The previous prime is 51552411437. The next prime is 51552411467. The reversal of 51552411439 is 93411425515.

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 51552411439 - 2¹ = 51552411437 is a prime.

It is a super-2 number, since 2×51552411439² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51552411431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18370804 + ... + 18373609.

It is an arithmetic number, because the mean of its divisors is an integer number (6834461004).

Almost surely, 2^51552411439 is an apocalyptic number.

51552411439 is a deficient number, since it is larger than the sum of its proper divisors (3123276593).

51552411439 is a wasteful number, since it uses less digits than its factorization.

51552411439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36744497.

The product of its digits is 108000, while the sum is 40.

The spelling of 51552411439 in words is "fifty-one billion, five hundred fifty-two million, four hundred eleven thousand, four hundred thirty-nine".