552972420 has 720 divisors, whose sum is σ = 2422447104. Its totient is φ = 102643200.

The previous prime is 552972403. The next prime is 552972421. The reversal of 552972420 is 24279255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (552972421) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 17837805 + ... + 17837835.

Almost surely, 2^552972420 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 552972420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1211223552).

552972420 is an abundant number, since it is smaller than the sum of its proper divisors (1869474684).

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

552972420 is a wasteful number, since it uses less digits than its factorization.

552972420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 552972420 is about 23515.3656148485. The cubic root of 552972420 is about 820.7945995849.

The spelling of 552972420 in words is "five hundred fifty-two million, nine hundred seventy-two thousand, four hundred twenty".