557254406765 has 16 divisors (see below), whose sum is σ = 764363278848. Its totient is φ = 382052975616.

The previous prime is 557254406759. The next prime is 557254406767. The reversal of 557254406765 is 567604452755.

It is a cyclic number.

It is not a de Polignac number, because 557254406765 - 2¹² = 557254402669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 557254406765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557254406767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1128917 + ... + 1545626.

It is an arithmetic number, because the mean of its divisors is an integer number (47772704928).

Almost surely, 2^557254406765 is an apocalyptic number.

It is an amenable number.

557254406765 is a deficient number, since it is larger than the sum of its proper divisors (207108872083).

557254406765 is a wasteful number, since it uses less digits than its factorization.

557254406765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680508.

The product of its (nonzero) digits is 35280000, while the sum is 56.

The spelling of 557254406765 in words is "five hundred fifty-seven billion, two hundred fifty-four million, four hundred six thousand, seven hundred sixty-five".