552461440 has 64 divisors (see below), whose sum is σ = 1326051000. Its totient is φ = 220094464.

The previous prime is 552461419. The next prime is 552461471. The reversal of 552461440 is 44164255.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 326019136 + 226442304 = 18056^2 + 15048^2 .

It is a tau number, because it is divible by the number of its divisors (64).

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, 170556 + ... + 173764.

Almost surely, 2^552461440 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 552461440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663025500).

552461440 is an abundant number, since it is smaller than the sum of its proper divisors (773589560).

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

552461440 is a wasteful number, since it uses less digits than its factorization.

552461440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497 (or 3485 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 552461440 is about 23504.4982928800. The cubic root of 552461440 is about 820.5417003670.

The spelling of 552461440 in words is "five hundred fifty-two million, four hundred sixty-one thousand, four hundred forty".