550492557 has 32 divisors (see below), whose sum is σ = 779321088. Its totient is φ = 344948736.

The previous prime is 550492543. The next prime is 550492571. The reversal of 550492557 is 755294055.

It is an interprime number because it is at equal distance from previous prime (550492543) and next prime (550492571).

It is not a de Polignac number, because 550492557 - 2⁷ = 550492429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550492517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1559293 + ... + 1559645.

It is an arithmetic number, because the mean of its divisors is an integer number (24353784).

Almost surely, 2^550492557 is an apocalyptic number.

It is an amenable number.

550492557 is a deficient number, since it is larger than the sum of its proper divisors (228828531).

550492557 is a wasteful number, since it uses less digits than its factorization.

550492557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709.

The product of its (nonzero) digits is 315000, while the sum is 42.

The square root of 550492557 is about 23462.5777995514. The cubic root of 550492557 is about 819.5657809132.

The spelling of 550492557 in words is "five hundred fifty million, four hundred ninety-two thousand, five hundred fifty-seven".