550401126 has 16 divisors (see below), whose sum is σ = 1200875328. Its totient is φ = 166788200.

The previous prime is 550401119. The next prime is 550401127. The reversal of 550401126 is 621104055.

It is a junction number, because it is equal to n+sod(n) for n = 550401096 and 550401105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550401127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4169640 + ... + 4169771.

It is an arithmetic number, because the mean of its divisors is an integer number (75054708).

Almost surely, 2^550401126 is an apocalyptic number.

550401126 is an abundant number, since it is smaller than the sum of its proper divisors (650474202).

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

550401126 is a wasteful number, since it uses less digits than its factorization.

550401126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8339427.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 550401126 is about 23460.6292754478. The cubic root of 550401126 is about 819.5204046607.

The spelling of 550401126 in words is "five hundred fifty million, four hundred one thousand, one hundred twenty-six".