557223739 has 4 divisors (see below), whose sum is σ = 590001624. Its totient is φ = 524445856.

The previous prime is 557223731. The next prime is 557223763. The reversal of 557223739 is 937322755.

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

It is a cyclic number.

It is not a de Polignac number, because 557223739 - 2³ = 557223731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557223695 and 557223704.

It is not an unprimeable number, because it can be changed into a prime (557223731) 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, 16388917 + ... + 16388950.

It is an arithmetic number, because the mean of its divisors is an integer number (147500406).

Almost surely, 2^557223739 is an apocalyptic number.

557223739 is a deficient number, since it is larger than the sum of its proper divisors (32777885).

557223739 is a wasteful number, since it uses less digits than its factorization.

557223739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32777884.

The product of its digits is 396900, while the sum is 43.

The square root of 557223739 is about 23605.5870293454. The cubic root of 557223739 is about 822.8926880775.

The spelling of 557223739 in words is "five hundred fifty-seven million, two hundred twenty-three thousand, seven hundred thirty-nine".