57203142100 has 36 divisors (see below), whose sum is σ = 133679345884. Its totient is φ = 21121159680.

The previous prime is 57203142077. The next prime is 57203142103. The reversal of 57203142100 is 124130275.

It is a happy number.

57203142100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 331385616 + 56871756484 = 18204^2 + 238478^2 .

It is a super-2 number, since 2×57203142100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57203142103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21999909 + ... + 22002508.

Almost surely, 2^57203142100 is an apocalyptic number.

57203142100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57203142100 is an abundant number, since it is smaller than the sum of its proper divisors (76476203784).

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

57203142100 is a wasteful number, since it uses less digits than its factorization.

57203142100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44002444 (or 44002437 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 57203142100 its reverse (124130275), we get a palindrome (57327272375).

The spelling of 57203142100 in words is "fifty-seven billion, two hundred three million, one hundred forty-two thousand, one hundred".