57897835445520 has 300 divisors, whose sum is σ = 233918415929484. Its totient is φ = 13233790886400.

The previous prime is 57897835445507. The next prime is 57897835445561. The reversal of 57897835445520 is 2554453879875.

57897835445520 is a `hidden beast` number, since 5 + 7 + 8 + 9 + 7 + 8 + 3 + 54 + 45 + 520 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32274760863744 + 25623074581776 = 5681088^2 + 5061924^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 90854431 + ... + 91489470.

Almost surely, 2^{57897835445520} is an apocalyptic number.

It is an amenable number.

57897835445520 is an abundant number, since it is smaller than the sum of its proper divisors (176020580483964).

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

57897835445520 is a wasteful number, since it uses less digits than its factorization.

57897835445520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182343940 (or 182343918 counting only the distinct ones).

The product of its (nonzero) digits is 1693440000, while the sum is 72.

The spelling of 57897835445520 in words is "fifty-seven trillion, eight hundred ninety-seven billion, eight hundred thirty-five million, four hundred forty-five thousand, five hundred twenty".