552544040 has 32 divisors (see below), whose sum is σ = 1257201000. Its totient is φ = 218532864.

The previous prime is 552544037. The next prime is 552544061. The reversal of 552544040 is 40445255.

It can be written as a sum of positive squares in 4 ways, for example, as 161849284 + 390694756 = 12722^2 + 19766^2 .

It is a super-2 number, since 2×552544040² = 610609832279043200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 552543994 and 552544012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74045 + ... + 81164.

Almost surely, 2^552544040 is an apocalyptic number.

It is an amenable number.

552544040 is an abundant number, since it is smaller than the sum of its proper divisors (704656960).

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

552544040 is a wasteful number, since it uses less digits than its factorization.

552544040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155309 (or 155305 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 552544040 is about 23506.2553376755. The cubic root of 552544040 is about 820.5825921301.

Adding to 552544040 its reverse (40445255), we get a palindrome (592989295).

The spelling of 552544040 in words is "five hundred fifty-two million, five hundred forty-four thousand, forty".