550964121 has 8 divisors (see below), whose sum is σ = 736666560. Its totient is φ = 366285552.

The previous prime is 550964107. The next prime is 550964137. The reversal of 550964121 is 121469055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550964121 - 2⁷ = 550963993 is a prime.

It is a super-2 number, since 2×550964121² = 607122925258605282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550964021) 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, 254710 + ... + 256863.

It is an arithmetic number, because the mean of its divisors is an integer number (92083320).

Almost surely, 2^550964121 is an apocalyptic number.

It is an amenable number.

550964121 is a deficient number, since it is larger than the sum of its proper divisors (185702439).

550964121 is a wasteful number, since it uses less digits than its factorization.

550964121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511935.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 550964121 is about 23472.6249277749. The cubic root of 550964121 is about 819.7997334650.

The spelling of 550964121 in words is "five hundred fifty million, nine hundred sixty-four thousand, one hundred twenty-one".