57661433337 has 8 divisors (see below), whose sum is σ = 76889119840. Its totient is φ = 38437351200.

The previous prime is 57661433327. The next prime is 57661433353. The reversal of 57661433337 is 73333416675.

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

It is not a de Polignac number, because 57661433337 - 2⁴ = 57661433321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57661433317) 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, 863539 + ... + 927912.

It is an arithmetic number, because the mean of its divisors is an integer number (9611139980).

Almost surely, 2^57661433337 is an apocalyptic number.

It is an amenable number.

57661433337 is a deficient number, since it is larger than the sum of its proper divisors (19227686503).

57661433337 is a wasteful number, since it uses less digits than its factorization.

57661433337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802183.

The product of its digits is 2857680, while the sum is 48.

The spelling of 57661433337 in words is "fifty-seven billion, six hundred sixty-one million, four hundred thirty-three thousand, three hundred thirty-seven".