57081823425 has 72 divisors (see below), whose sum is σ = 111693029760. Its totient is φ = 27636681600.

The previous prime is 57081823411. The next prime is 57081823439. The reversal of 57081823425 is 52432818075.

57081823425 is a `hidden beast` number, since 5 + 70 + 81 + 82 + 3 + 425 = 666.

It is an interprime number because it is at equal distance from previous prime (57081823411) and next prime (57081823439).

It is not a de Polignac number, because 57081823425 - 2¹⁹ = 57081299137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1763487 + ... + 1795563.

It is an arithmetic number, because the mean of its divisors is an integer number (1551292080).

Almost surely, 2^57081823425 is an apocalyptic number.

57081823425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57081823425 is a deficient number, since it is larger than the sum of its proper divisors (54611206335).

57081823425 is a wasteful number, since it uses less digits than its factorization.

57081823425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32823 (or 32815 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 57081823425 in words is "fifty-seven billion, eighty-one million, eight hundred twenty-three thousand, four hundred twenty-five".