51552025519 has 8 divisors (see below), whose sum is σ = 55731920240. Its totient is φ = 47518793856.

The previous prime is 51552025501. The next prime is 51552025549. The reversal of 51552025519 is 91552025515.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51552025519 is a prime.

It is a super-2 number, since 2×51552025519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51552025549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36665034 + ... + 36666439.

It is an arithmetic number, because the mean of its divisors is an integer number (6966490030).

Almost surely, 2^51552025519 is an apocalyptic number.

51552025519 is a deficient number, since it is larger than the sum of its proper divisors (4179894721).

51552025519 is a wasteful number, since it uses less digits than its factorization.

51552025519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73331529.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 51552025519 in words is "fifty-one billion, five hundred fifty-two million, twenty-five thousand, five hundred nineteen".