552021078 has 16 divisors (see below), whose sum is σ = 1261762560. Its totient is φ = 157720296.

The previous prime is 552021077. The next prime is 552021101. The reversal of 552021078 is 870120255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552021077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6571638 + ... + 6571721.

It is an arithmetic number, because the mean of its divisors is an integer number (78860160).

Almost surely, 2^552021078 is an apocalyptic number.

552021078 is an abundant number, since it is smaller than the sum of its proper divisors (709741482).

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

552021078 is a wasteful number, since it uses less digits than its factorization.

552021078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13143371.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 552021078 is about 23495.1288142883. The cubic root of 552021078 is about 820.3236269678.

It can be divided in two parts, 55202 and 1078, that added together give a triangular number (56280 = T₃₃₅).

The spelling of 552021078 in words is "five hundred fifty-two million, twenty-one thousand, seventy-eight".