550345542 has 32 divisors (see below), whose sum is σ = 1163925504. Its totient is φ = 173198400.

The previous prime is 550345529. The next prime is 550345559. The reversal of 550345542 is 245543055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28458 + ... + 43709.

It is an arithmetic number, because the mean of its divisors is an integer number (36372672).

Almost surely, 2^550345542 is an apocalyptic number.

550345542 is an abundant number, since it is smaller than the sum of its proper divisors (613579962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550345542 is a wasteful number, since it uses less digits than its factorization.

550345542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72244.

The product of its (nonzero) digits is 60000, while the sum is 33.

The square root of 550345542 is about 23459.4446225822. Note that the first 3 decimals coincide. The cubic root of 550345542 is about 819.4928164446.

Adding to 550345542 its reverse (245543055), we get a palindrome (795888597).

The spelling of 550345542 in words is "five hundred fifty million, three hundred forty-five thousand, five hundred forty-two".