555204216 has 32 divisors (see below), whose sum is σ = 1586298240. Its totient is φ = 158629728.

The previous prime is 555204211. The next prime is 555204227. The reversal of 555204216 is 612402555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555204211) 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, 1652226 + ... + 1652561.

It is an arithmetic number, because the mean of its divisors is an integer number (49571820).

Almost surely, 2^555204216 is an apocalyptic number.

555204216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

555204216 is an abundant number, since it is smaller than the sum of its proper divisors (1031094024).

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

555204216 is a wasteful number, since it uses less digits than its factorization.

555204216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304803 (or 3304799 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 555204216 is about 23562.7718233658. The cubic root of 555204216 is about 821.8973593285.

The spelling of 555204216 in words is "five hundred fifty-five million, two hundred four thousand, two hundred sixteen".