550400115 has 8 divisors (see below), whose sum is σ = 880640208. Its totient is φ = 293546720.

The previous prime is 550400111. The next prime is 550400117. The reversal of 550400115 is 511004055.

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

It is not a de Polignac number, because 550400115 - 2² = 550400111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550400091 and 550400100.

It is not an unprimeable number, because it can be changed into a prime (550400111) 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, 18346656 + ... + 18346685.

It is an arithmetic number, because the mean of its divisors is an integer number (110080026).

Almost surely, 2^550400115 is an apocalyptic number.

550400115 is a deficient number, since it is larger than the sum of its proper divisors (330240093).

550400115 is a wasteful number, since it uses less digits than its factorization.

550400115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36693349.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 550400115 is about 23460.6077287013. The cubic root of 550400115 is about 819.5199028838.

The spelling of 550400115 in words is "five hundred fifty million, four hundred thousand, one hundred fifteen".