553973949 has 12 divisors (see below), whose sum is σ = 801021312. Its totient is φ = 368929800.

The previous prime is 553973939. The next prime is 553973957. The reversal of 553973949 is 949379355.

It is a happy number.

It is not a de Polignac number, because 553973949 - 2⁴ = 553973933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 553973895 and 553973904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553973939) 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, 22957 + ... + 40434.

It is an arithmetic number, because the mean of its divisors is an integer number (66751776).

Almost surely, 2^553973949 is an apocalyptic number.

It is an amenable number.

553973949 is a deficient number, since it is larger than the sum of its proper divisors (247047363).

553973949 is a wasteful number, since it uses less digits than its factorization.

553973949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64368 (or 64365 counting only the distinct ones).

The product of its digits is 4592700, while the sum is 54.

The square root of 553973949 is about 23536.6511849073. The cubic root of 553973949 is about 821.2898345322.

The spelling of 553973949 in words is "five hundred fifty-three million, nine hundred seventy-three thousand, nine hundred forty-nine".