57575181952 has 16 divisors (see below), whose sum is σ = 114700558050. Its totient is φ = 28787590912.

The previous prime is 57575181943. The next prime is 57575181959. The reversal of 57575181952 is 25918157575.

It can be written as a sum of positive squares in only one way, i.e., 33965015616 + 23610166336 = 184296^2 + 153656^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 57575181893 and 57575181902.

It is not an unprimeable number, because it can be changed into a prime (57575181959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224902927 + ... + 224903182.

Almost surely, 2^57575181952 is an apocalyptic number.

It is an amenable number.

57575181952 is a deficient number, since it is larger than the sum of its proper divisors (57125376098).

57575181952 is an equidigital number, since it uses as much as digits as its factorization.

57575181952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449806123 (or 449806111 counting only the distinct ones).

The product of its digits is 4410000, while the sum is 55.

The spelling of 57575181952 in words is "fifty-seven billion, five hundred seventy-five million, one hundred eighty-one thousand, nine hundred fifty-two".