57105711550 has 24 divisors (see below), whose sum is σ = 106531837776. Its totient is φ = 22774496640.

The previous prime is 57105711503. The next prime is 57105711557. The reversal of 57105711550 is 5511750175.

It is a super-2 number, since 2×57105711550² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57105711557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1677682 + ... + 1711381.

It is an arithmetic number, because the mean of its divisors is an integer number (4438826574).

Almost surely, 2^57105711550 is an apocalyptic number.

57105711550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57105711550 is a deficient number, since it is larger than the sum of its proper divisors (49426126226).

57105711550 is a wasteful number, since it uses less digits than its factorization.

57105711550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389412 (or 3389407 counting only the distinct ones).

The product of its (nonzero) digits is 30625, while the sum is 37.

The spelling of 57105711550 in words is "fifty-seven billion, one hundred five million, seven hundred eleven thousand, five hundred fifty".