51603002530550 has 12 divisors (see below), whose sum is σ = 95981584706916. Its totient is φ = 20641201012200.

The previous prime is 51603002530549. The next prime is 51603002530589. The reversal of 51603002530550 is 5503520030615.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51603002530550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 516030025256 + ... + 516030025355.

It is an arithmetic number, because the mean of its divisors is an integer number (7998465392243).

Almost surely, 2^{51603002530550} is an apocalyptic number.

51603002530550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51603002530550 is a deficient number, since it is larger than the sum of its proper divisors (44378582176366).

51603002530550 is a wasteful number, since it uses less digits than its factorization.

51603002530550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032060050623 (or 1032060050618 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 51603002530550 in words is "fifty-one trillion, six hundred three billion, two million, five hundred thirty thousand, five hundred fifty".