57039206401 has 4 divisors (see below), whose sum is σ = 58580806612. Its totient is φ = 55497606192.

The previous prime is 57039206387. The next prime is 57039206407. The reversal of 57039206401 is 10460293075.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20557824400 + 36481382001 = 143380^2 + 191001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57039206401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1541600173 = 57039206401 / (5 + 7 + 0 + 3 + 9 + 2 + 0 + 6 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57039206407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770800050 + ... + 770800123.

It is an arithmetic number, because the mean of its divisors is an integer number (14645201653).

Almost surely, 2^57039206401 is an apocalyptic number.

It is an amenable number.

57039206401 is a deficient number, since it is larger than the sum of its proper divisors (1541600211).

57039206401 is a wasteful number, since it uses less digits than its factorization.

57039206401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541600210.

The product of its (nonzero) digits is 45360, while the sum is 37.

Adding to 57039206401 its reverse (10460293075), we get a palindrome (67499499476).

The spelling of 57039206401 in words is "fifty-seven billion, thirty-nine million, two hundred six thousand, four hundred one".