51055141531540 has 24 divisors (see below), whose sum is σ = 107216393195520. Its totient is φ = 20421943092768.

The previous prime is 51055141531447. The next prime is 51055141531579. The reversal of 51055141531540 is 4513514155015.

It is a super-3 number, since 3×51055141531540³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51055141531493 and 51055141531502.

It is a congruent number.

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, 3359092 + ... + 10648651.

It is an arithmetic number, because the mean of its divisors is an integer number (4467349716480).

Almost surely, 2^{51055141531540} is an apocalyptic number.

It is an amenable number.

51055141531540 is an abundant number, since it is smaller than the sum of its proper divisors (56161251663980).

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

51055141531540 is a wasteful number, since it uses less digits than its factorization.

51055141531540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14189991 (or 14189989 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 40.

Adding to 51055141531540 its reverse (4513514155015), we get a palindrome (55568655686555).

The spelling of 51055141531540 in words is "fifty-one trillion, fifty-five billion, one hundred forty-one million, five hundred thirty-one thousand, five hundred forty".