513422003552550 has 48 divisors (see below), whose sum is σ = 1273359807381312. Its totient is φ = 136904659165600.

The previous prime is 513422003552543. The next prime is 513422003552581. The reversal of 513422003552550 is 55255300224315.

It is a super-2 number, since 2×513422003552550² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95822196 + ... + 101038295.

It is an arithmetic number, because the mean of its divisors is an integer number (26528329320444).

Almost surely, 2^{513422003552550} is an apocalyptic number.

513422003552550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

513422003552550 is an abundant number, since it is smaller than the sum of its proper divisors (759937803828762).

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

513422003552550 is a wasteful number, since it uses less digits than its factorization.

513422003552550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196877893 (or 196877888 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 42.

Adding to 513422003552550 its reverse (55255300224315), we get a palindrome (568677303776865).

The spelling of 513422003552550 in words is "five hundred thirteen trillion, four hundred twenty-two billion, three million, five hundred fifty-two thousand, five hundred fifty".