51549852192 has 24 divisors (see below), whose sum is σ = 135318362256. Its totient is φ = 17183284032.

The previous prime is 51549852187. The next prime is 51549852197. The reversal of 51549852192 is 29125894515.

It is an interprime number because it is at equal distance from previous prime (51549852187) and next prime (51549852197).

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×51549852192² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51549852197) 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, 268488718 + ... + 268488909.

It is an arithmetic number, because the mean of its divisors is an integer number (5638265094).

Almost surely, 2^51549852192 is an apocalyptic number.

It is an amenable number.

51549852192 is an abundant number, since it is smaller than the sum of its proper divisors (83768510064).

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

51549852192 is a wasteful number, since it uses less digits than its factorization.

51549852192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536977640 (or 536977632 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 51.

The spelling of 51549852192 in words is "fifty-one billion, five hundred forty-nine million, eight hundred fifty-two thousand, one hundred ninety-two".