51343534036450 has 24 divisors (see below), whose sum is σ = 95523354313812. Its totient is φ = 20532170387520.

The previous prime is 51343534036439. The next prime is 51343534036471. The reversal of 51343534036450 is 5463043534315.

It can be written as a sum of positive squares in 6 ways, for example, as 11251804805641 + 40091729230809 = 3354371^2 + 6331803^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51343534036450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130882869 + ... + 131274568.

Almost surely, 2^{51343534036450} is an apocalyptic number.

51343534036450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51343534036450 is a deficient number, since it is larger than the sum of its proper divisors (44179820277362).

51343534036450 is a wasteful number, since it uses less digits than its factorization.

51343534036450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262161366 (or 262161361 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 46.

The spelling of 51343534036450 in words is "fifty-one trillion, three hundred forty-three billion, five hundred thirty-four million, thirty-six thousand, four hundred fifty".