51530461006 has 8 divisors (see below), whose sum is σ = 77301997920. Its totient is φ = 25763128368.

The previous prime is 51530461001. The next prime is 51530461009. The reversal of 51530461006 is 60016403515.

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

It is a super-2 number, since 2×51530461006² (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 (51530461001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020246 + ... + 1069561.

It is an arithmetic number, because the mean of its divisors is an integer number (9662749740).

Almost surely, 2^51530461006 is an apocalyptic number.

51530461006 is a deficient number, since it is larger than the sum of its proper divisors (25771536914).

51530461006 is a wasteful number, since it uses less digits than its factorization.

51530461006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102138.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 51530461006 in words is "fifty-one billion, five hundred thirty million, four hundred sixty-one thousand, six".