557426101 has 4 divisors (see below), whose sum is σ = 557514252. Its totient is φ = 557337952.

The previous prime is 557426099. The next prime is 557426143. The reversal of 557426101 is 101624755.

557426101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 32787076 + 524639025 = 5726^2 + 22905^2 .

It is a cyclic number.

It is not a de Polignac number, because 557426101 - 2¹ = 557426099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557456101) 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, 33790 + ... + 47503.

It is an arithmetic number, because the mean of its divisors is an integer number (139378563).

Almost surely, 2^557426101 is an apocalyptic number.

It is an amenable number.

557426101 is a deficient number, since it is larger than the sum of its proper divisors (88151).

557426101 is an equidigital number, since it uses as much as digits as its factorization.

557426101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88150.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 557426101 is about 23609.8729560326. The cubic root of 557426101 is about 822.9922902328.

The spelling of 557426101 in words is "five hundred fifty-seven million, four hundred twenty-six thousand, one hundred one".