554581157 has 8 divisors (see below), whose sum is σ = 632373336. Its totient is φ = 481807872.

The previous prime is 554581151. The next prime is 554581163. The reversal of 554581157 is 751185455.

It is an interprime number because it is at equal distance from previous prime (554581151) and next prime (554581163).

It can be written as a sum of positive squares in 4 ways, for example, as 244328161 + 310252996 = 15631^2 + 17614^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-554581157 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 (554581151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254488 + ... + 1254929.

It is an arithmetic number, because the mean of its divisors is an integer number (79046667).

Almost surely, 2^554581157 is an apocalyptic number.

It is an amenable number.

554581157 is a deficient number, since it is larger than the sum of its proper divisors (77792179).

554581157 is a wasteful number, since it uses less digits than its factorization.

554581157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509447.

The product of its digits is 140000, while the sum is 41.

The square root of 554581157 is about 23549.5468533898. The cubic root of 554581157 is about 821.5897954866.

The spelling of 554581157 in words is "five hundred fifty-four million, five hundred eighty-one thousand, one hundred fifty-seven".