551887983540038 has 16 divisors (see below), whose sum is σ = 832349206905216. Its totient is φ = 274440643680960.

The previous prime is 551887983540017. The next prime is 551887983540053. The reversal of 551887983540038 is 830045389788155.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598482653 + ... + 599404088.

It is an arithmetic number, because the mean of its divisors is an integer number (52021825431576).

Almost surely, 2^{551887983540038} is an apocalyptic number.

551887983540038 is a deficient number, since it is larger than the sum of its proper divisors (280461223365178).

551887983540038 is a wasteful number, since it uses less digits than its factorization.

551887983540038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197887999.

The product of its (nonzero) digits is 1161216000, while the sum is 74.

The spelling of 551887983540038 in words is "five hundred fifty-one trillion, eight hundred eighty-seven billion, nine hundred eighty-three million, five hundred forty thousand, thirty-eight".