557148737 has 2 divisors, whose sum is σ = 557148738. Its totient is φ = 557148736.

The previous prime is 557148731. The next prime is 557148743. The reversal of 557148737 is 737841755.

It is a balanced prime because it is at equal distance from previous prime (557148731) and next prime (557148743).

It can be written as a sum of positive squares in only one way, i.e., 411318961 + 145829776 = 20281^2 + 12076^2 .

It is a cyclic number.

It is not a de Polignac number, because 557148737 - 2⁶ = 557148673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 557148691 and 557148700.

It is not a weakly prime, because it can be changed into another prime (557148731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278574368 + 278574369.

It is an arithmetic number, because the mean of its divisors is an integer number (278574369).

Almost surely, 2^557148737 is an apocalyptic number.

It is an amenable number.

557148737 is a deficient number, since it is larger than the sum of its proper divisors (1).

557148737 is an equidigital number, since it uses as much as digits as its factorization.

557148737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 823200, while the sum is 47.

The square root of 557148737 is about 23603.9983265548. The cubic root of 557148737 is about 822.8557661242.

The spelling of 557148737 in words is "five hundred fifty-seven million, one hundred forty-eight thousand, seven hundred thirty-seven".