555350420 has 24 divisors (see below), whose sum is σ = 1182214824. Its totient is φ = 219096576.

The previous prime is 555350401. The next prime is 555350423. The reversal of 555350420 is 24053555.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 183169156 + 372181264 = 13534^2 + 19292^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555350423) 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, 188729 + ... + 191648.

It is an arithmetic number, because the mean of its divisors is an integer number (49258951).

Almost surely, 2^555350420 is an apocalyptic number.

It is an amenable number.

555350420 is an abundant number, since it is smaller than the sum of its proper divisors (626864404).

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

555350420 is a wasteful number, since it uses less digits than its factorization.

555350420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380459 (or 380457 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 555350420 is about 23565.8740555066. The cubic root of 555350420 is about 821.9694974306.

The spelling of 555350420 in words is "five hundred fifty-five million, three hundred fifty thousand, four hundred twenty".