549550953 has 16 divisors (see below), whose sum is σ = 930456960. Its totient is φ = 314029008.

The previous prime is 549550949. The next prime is 549550961. The reversal of 549550953 is 359055945.

549550953 is a `hidden beast` number, since 5 + 4 + 9 + 550 + 95 + 3 = 666.

It is not a de Polignac number, because 549550953 - 2² = 549550949 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 549550899 and 549550908.

It is not an unprimeable number, because it can be changed into a prime (549550913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453650 + ... + 1454027.

It is an arithmetic number, because the mean of its divisors is an integer number (58153560).

Almost surely, 2^549550953 is an apocalyptic number.

It is an amenable number.

549550953 is a deficient number, since it is larger than the sum of its proper divisors (380906007).

549550953 is a wasteful number, since it uses less digits than its factorization.

549550953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907693 (or 2907687 counting only the distinct ones).

The product of its (nonzero) digits is 607500, while the sum is 45.

The square root of 549550953 is about 23442.5031299987. The cubic root of 549550953 is about 819.0982318542.

The spelling of 549550953 in words is "five hundred forty-nine million, five hundred fifty thousand, nine hundred fifty-three".