552684978 has 32 divisors (see below), whose sum is σ = 1249012800. Its totient is φ = 181104768.

The previous prime is 552684973. The next prime is 552684983. The reversal of 552684978 is 879486255.

552684978 is a `hidden beast` number, since 5 + 526 + 8 + 49 + 78 = 666.

It is an interprime number because it is at equal distance from previous prime (552684973) and next prime (552684983).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (552684973) 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, 83551 + ... + 89922.

It is an arithmetic number, because the mean of its divisors is an integer number (39031650).

Almost surely, 2^552684978 is an apocalyptic number.

552684978 is an abundant number, since it is smaller than the sum of its proper divisors (696327822).

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

552684978 is a wasteful number, since it uses less digits than its factorization.

552684978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173543 (or 173537 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 552684978 is about 23509.2530293925. The cubic root of 552684978 is about 820.6523551591.

The spelling of 552684978 in words is "five hundred fifty-two million, six hundred eighty-four thousand, nine hundred seventy-eight".