552502778028 has 72 divisors (see below), whose sum is σ = 1353967130880. Its totient is φ = 175312294080.

The previous prime is 552502778011. The next prime is 552502778053. The reversal of 552502778028 is 820877205255.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330993 + ... + 1102071.

It is an arithmetic number, because the mean of its divisors is an integer number (18805099040).

Almost surely, 2^552502778028 is an apocalyptic number.

552502778028 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552502778028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676983565440).

552502778028 is an abundant number, since it is smaller than the sum of its proper divisors (801464352852).

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

552502778028 is a wasteful number, since it uses less digits than its factorization.

552502778028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771215 (or 771184 counting only the distinct ones).

The product of its (nonzero) digits is 3136000, while the sum is 51.

The spelling of 552502778028 in words is "five hundred fifty-two billion, five hundred two million, seven hundred seventy-eight thousand, twenty-eight".