57105551500 has 48 divisors (see below), whose sum is σ = 125953472736. Its totient is φ = 22616040000.

The previous prime is 57105551467. The next prime is 57105551527. The reversal of 57105551500 is 515550175.

It is a happy number.

It is a super-3 number, since 3×57105551500³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514902 + ... + 615901.

It is an arithmetic number, because the mean of its divisors is an integer number (2624030682).

Almost surely, 2^57105551500 is an apocalyptic number.

57105551500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57105551500 is an abundant number, since it is smaller than the sum of its proper divisors (68847921236).

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

57105551500 is a wasteful number, since it uses less digits than its factorization.

57105551500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130923 (or 1130911 counting only the distinct ones).

The product of its (nonzero) digits is 21875, while the sum is 34.

The spelling of 57105551500 in words is "fifty-seven billion, one hundred five million, five hundred fifty-one thousand, five hundred".