551514131555540 has 24 divisors (see below), whose sum is σ = 1158203340235872. Its totient is φ = 220601145199520.

The previous prime is 551514131555501. The next prime is 551514131555551. The reversal of 551514131555540 is 45555131415155.

It is a super-2 number, since 2×551514131555540² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280710506 + ... + 282668385.

It is an arithmetic number, because the mean of its divisors is an integer number (48258472509828).

Almost surely, 2^{551514131555540} is an apocalyptic number.

It is an amenable number.

551514131555540 is an abundant number, since it is smaller than the sum of its proper divisors (606689208680332).

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

551514131555540 is a wasteful number, since it uses less digits than its factorization.

551514131555540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563427847 (or 563427845 counting only the distinct ones).

The product of its (nonzero) digits is 3750000, while the sum is 50.

The spelling of 551514131555540 in words is "five hundred fifty-one trillion, five hundred fourteen billion, one hundred thirty-one million, five hundred fifty-five thousand, five hundred forty".