57903655212 has 144 divisors (see below), whose sum is σ = 158760376320. Its totient is φ = 17688875904.

The previous prime is 57903655093. The next prime is 57903655213. The reversal of 57903655212 is 21255630975.

57903655212 is a `hidden beast` number, since 5 + 7 + 90 + 3 + 6 + 552 + 1 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (57903655213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54471393 + ... + 54472455.

Almost surely, 2^57903655212 is an apocalyptic number.

57903655212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57903655212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79380188160).

57903655212 is an abundant number, since it is smaller than the sum of its proper divisors (100856721108).

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

57903655212 is a wasteful number, since it uses less digits than its factorization.

57903655212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812 (or 1807 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The spelling of 57903655212 in words is "fifty-seven billion, nine hundred three million, six hundred fifty-five thousand, two hundred twelve".