552400424 has 8 divisors (see below), whose sum is σ = 1035750810. Its totient is φ = 276200208.

The previous prime is 552400423. The next prime is 552400427. The reversal of 552400424 is 424004255.

It can be written as a sum of positive squares in only one way, i.e., 361684324 + 190716100 = 19018^2 + 13810^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 552400393 and 552400402.

It is not an unprimeable number, because it can be changed into a prime (552400423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34525019 + ... + 34525034.

Almost surely, 2^552400424 is an apocalyptic number.

It is an amenable number.

552400424 is a deficient number, since it is larger than the sum of its proper divisors (483350386).

552400424 is a wasteful number, since it uses less digits than its factorization.

552400424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69050059 (or 69050055 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 552400424 is about 23503.2002927261. The cubic root of 552400424 is about 820.5114913111.

Adding to 552400424 its reverse (424004255), we get a palindrome (976404679).

The spelling of 552400424 in words is "five hundred fifty-two million, four hundred thousand, four hundred twenty-four".