557052031 has 4 divisors (see below), whose sum is σ = 557202312. Its totient is φ = 556901752.

The previous prime is 557052017. The next prime is 557052049. The reversal of 557052031 is 130250755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130250755 = 5 ⋅26050151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557052031 is a prime.

It is a super-2 number, since 2×557052031² = 620613930482449922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557052731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69436 + ... + 77041.

It is an arithmetic number, because the mean of its divisors is an integer number (139300578).

Almost surely, 2^557052031 is an apocalyptic number.

557052031 is a deficient number, since it is larger than the sum of its proper divisors (150281).

557052031 is a wasteful number, since it uses less digits than its factorization.

557052031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150280.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 557052031 is about 23601.9497287830. The cubic root of 557052031 is about 822.8081548438.

The spelling of 557052031 in words is "five hundred fifty-seven million, fifty-two thousand, thirty-one".