552937728 has 144 divisors (see below), whose sum is σ = 1694852096. Its totient is φ = 156764160.

The previous prime is 552937727. The next prime is 552937739. The reversal of 552937728 is 827739255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552937727) 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, 875973 + ... + 876603.

Almost surely, 2^552937728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552937728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847426048).

552937728 is an abundant number, since it is smaller than the sum of its proper divisors (1141914368).

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

552937728 is a wasteful number, since it uses less digits than its factorization.

552937728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 806 counting only the distinct ones).

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

The square root of 552937728 is about 23514.6279579329. The cubic root of 552937728 is about 820.7774344119. Note that the first 3 decimals are identical.

The spelling of 552937728 in words is "five hundred fifty-two million, nine hundred thirty-seven thousand, seven hundred twenty-eight".