550748397 has 8 divisors (see below), whose sum is σ = 749955456. Its totient is φ = 359353472.

The previous prime is 550748389. The next prime is 550748399. The reversal of 550748397 is 793847055.

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 550748397 - 2³ = 550748389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550748399) 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, 1952868 + ... + 1953149.

It is an arithmetic number, because the mean of its divisors is an integer number (93744432).

Almost surely, 2^550748397 is an apocalyptic number.

It is an amenable number.

550748397 is a deficient number, since it is larger than the sum of its proper divisors (199207059).

550748397 is a wasteful number, since it uses less digits than its factorization.

550748397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906067.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The square root of 550748397 is about 23468.0292525811. The cubic root of 550748397 is about 819.6927249459.

The spelling of 550748397 in words is "five hundred fifty million, seven hundred forty-eight thousand, three hundred ninety-seven".