51880517582 has 8 divisors (see below), whose sum is σ = 77822973936. Its totient is φ = 25939526272.

The previous prime is 51880517581. The next prime is 51880517593. The reversal of 51880517582 is 28571508815.

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

It is a super-2 number, since 2×51880517582² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51880517582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51880517581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272978 + ... + 422229.

It is an arithmetic number, because the mean of its divisors is an integer number (9727871742).

Almost surely, 2^51880517582 is an apocalyptic number.

51880517582 is a deficient number, since it is larger than the sum of its proper divisors (25942456354).

51880517582 is a wasteful number, since it uses less digits than its factorization.

51880517582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732522.

The product of its (nonzero) digits is 896000, while the sum is 50.

The spelling of 51880517582 in words is "fifty-one billion, eight hundred eighty million, five hundred seventeen thousand, five hundred eighty-two".