550675400 has 48 divisors (see below), whose sum is σ = 1396718640. Its totient is φ = 200244800.

The previous prime is 550675313. The next prime is 550675409. The reversal of 550675400 is 4576055.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (550675409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122954 + ... + 127353.

It is an arithmetic number, because the mean of its divisors is an integer number (29098305).

Almost surely, 2^550675400 is an apocalyptic number.

550675400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550675400 is an abundant number, since it is smaller than the sum of its proper divisors (846043240).

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

550675400 is a wasteful number, since it uses less digits than its factorization.

550675400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250334 (or 250325 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 550675400 is about 23466.4739575421. The cubic root of 550675400 is about 819.6565089206.

The spelling of 550675400 in words is "five hundred fifty million, six hundred seventy-five thousand, four hundred".