556703641 has 8 divisors (see below), whose sum is σ = 634793544. Its totient is φ = 483651840.

The previous prime is 556703639. The next prime is 556703663. The reversal of 556703641 is 146307655.

It can be written as a sum of positive squares in 4 ways, for example, as 68956416 + 487747225 = 8304^2 + 22085^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 556703641 - 2¹ = 556703639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 556703641.

It is not an unprimeable number, because it can be changed into a prime (556703941) 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, 1259290 + ... + 1259731.

It is an arithmetic number, because the mean of its divisors is an integer number (79349193).

Almost surely, 2^556703641 is an apocalyptic number.

It is an amenable number.

556703641 is a deficient number, since it is larger than the sum of its proper divisors (78089903).

556703641 is a wasteful number, since it uses less digits than its factorization.

556703641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519051.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 556703641 is about 23594.5680401231. The cubic root of 556703641 is about 822.6365862421.

The spelling of 556703641 in words is "five hundred fifty-six million, seven hundred three thousand, six hundred forty-one".