51584914986 has 16 divisors (see below), whose sum is σ = 112548905568. Its totient is φ = 15631792400.

The previous prime is 51584914949. The next prime is 51584915003. The reversal of 51584914986 is 68941948515.

It is a super-2 number, since 2×51584914986² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390794745 + ... + 390794876.

It is an arithmetic number, because the mean of its divisors is an integer number (7034306598).

Almost surely, 2^51584914986 is an apocalyptic number.

51584914986 is an abundant number, since it is smaller than the sum of its proper divisors (60963990582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51584914986 is a wasteful number, since it uses less digits than its factorization.

51584914986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781589637.

The product of its digits is 12441600, while the sum is 60.

The spelling of 51584914986 in words is "fifty-one billion, five hundred eighty-four million, nine hundred fourteen thousand, nine hundred eighty-six".