57564256434461 has 8 divisors (see below), whose sum is σ = 68056263765120. Its totient is φ = 47639384635248.

The previous prime is 57564256434457. The next prime is 57564256434533. The reversal of 57564256434461 is 16443465246575.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57564256434461 - 2² = 57564256434457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57564256434394 and 57564256434403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57564256404461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141783882641 + ... + 141783883046.

It is an arithmetic number, because the mean of its divisors is an integer number (8507032970640).

Almost surely, 2^{57564256434461} is an apocalyptic number.

It is an amenable number.

57564256434461 is a deficient number, since it is larger than the sum of its proper divisors (10492007330659).

57564256434461 is a wasteful number, since it uses less digits than its factorization.

57564256434461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283567765723.

The product of its digits is 290304000, while the sum is 62.

The spelling of 57564256434461 in words is "fifty-seven trillion, five hundred sixty-four billion, two hundred fifty-six million, four hundred thirty-four thousand, four hundred sixty-one".