550231401 has 8 divisors (see below), whose sum is σ = 776797344. Its totient is φ = 345243200.

The previous prime is 550231387. The next prime is 550231411. The reversal of 550231401 is 104132055.

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

It is a cyclic number.

It is not a de Polignac number, because 550231401 - 2⁷ = 550231273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550231411) 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, 5394375 + ... + 5394476.

It is an arithmetic number, because the mean of its divisors is an integer number (97099668).

Almost surely, 2^550231401 is an apocalyptic number.

550231401 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

550231401 is a deficient number, since it is larger than the sum of its proper divisors (226565943).

550231401 is a wasteful number, since it uses less digits than its factorization.

550231401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10788871.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 550231401 is about 23457.0117662076. The cubic root of 550231401 is about 819.4361585877.

Adding to 550231401 its reverse (104132055), we get a palindrome (654363456).

The spelling of 550231401 in words is "five hundred fifty million, two hundred thirty-one thousand, four hundred one".