550140957 has 32 divisors (see below), whose sum is σ = 832464000. Its totient is φ = 358968960.

The previous prime is 550140949. The next prime is 550140959. The reversal of 550140957 is 759041055.

550140957 is a `hidden beast` number, since 550 + 14 + 0 + 95 + 7 = 666.

It is not a de Polignac number, because 550140957 - 2³ = 550140949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550140959) 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, 447019 + ... + 448247.

It is an arithmetic number, because the mean of its divisors is an integer number (26014500).

Almost surely, 2^550140957 is an apocalyptic number.

It is an amenable number.

550140957 is a deficient number, since it is larger than the sum of its proper divisors (282323043).

550140957 is a wasteful number, since it uses less digits than its factorization.

550140957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 550140957 is about 23455.0838199312. The cubic root of 550140957 is about 819.3912579968.

The spelling of 550140957 in words is "five hundred fifty million, one hundred forty thousand, nine hundred fifty-seven".