552978 has 24 divisors (see below), whose sum is σ = 1238016. Its totient is φ = 178200.

The previous prime is 552971. The next prime is 552983. The reversal of 552978 is 879255.

It is a d-powerful number, because it can be written as 5 + 5⁴ + 9⁶ + 2² + 7⁵ + 8⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552971) by changing a digit.

552978 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63 + ... + 1053.

It is an arithmetic number, because the mean of its divisors is an integer number (51584).

2⁵⁵²⁹⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619008).

552978 is an abundant number, since it is smaller than the sum of its proper divisors (685038).

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

552978 is a wasteful number, since it uses less digits than its factorization.

552978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1027 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 552978 is about 743.6249054463. The cubic root of 552978 is about 82.0797360433.

The spelling of 552978 in words is "five hundred fifty-two thousand, nine hundred seventy-eight".