57735621982 has 32 divisors (see below), whose sum is σ = 93744967680. Its totient is φ = 26598137280.

The previous prime is 57735621971. The next prime is 57735622001. The reversal of 57735621982 is 28912653775.

It is a super-4 number, since 4×57735621982⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

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, 44758 + ... + 342745.

It is an arithmetic number, because the mean of its divisors is an integer number (2929530240).

Almost surely, 2^57735621982 is an apocalyptic number.

57735621982 is a deficient number, since it is larger than the sum of its proper divisors (36009345698).

57735621982 is a wasteful number, since it uses less digits than its factorization.

57735621982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387648.

The product of its digits is 6350400, while the sum is 55.

The spelling of 57735621982 in words is "fifty-seven billion, seven hundred thirty-five million, six hundred twenty-one thousand, nine hundred eighty-two".