51554707041550 has 12 divisors (see below), whose sum is σ = 95891755097376. Its totient is φ = 20621882816600.

The previous prime is 51554707041493. The next prime is 51554707041589. The reversal of 51554707041550 is 5514070745515.

It is a junction number, because it is equal to n+sod(n) for n = 51554707041494 and 51554707041503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 515547070366 + ... + 515547070465.

It is an arithmetic number, because the mean of its divisors is an integer number (7990979591448).

Almost surely, 2^{51554707041550} is an apocalyptic number.

51554707041550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51554707041550 is a deficient number, since it is larger than the sum of its proper divisors (44337048055826).

51554707041550 is a wasteful number, since it uses less digits than its factorization.

51554707041550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031094140843 (or 1031094140838 counting only the distinct ones).

The product of its (nonzero) digits is 2450000, while the sum is 49.

The spelling of 51554707041550 in words is "fifty-one trillion, five hundred fifty-four billion, seven hundred seven million, forty-one thousand, five hundred fifty".