555542225 has 24 divisors (see below), whose sum is σ = 799050048. Its totient is φ = 375249600.

The previous prime is 555542203. The next prime is 555542231. The reversal of 555542225 is 522245555.

It is not a de Polignac number, because 555542225 - 2¹² = 555538129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian 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, 11966 + ... + 35415.

It is an arithmetic number, because the mean of its divisors is an integer number (33293752).

Almost surely, 2^555542225 is an apocalyptic number.

It is an amenable number.

555542225 is a deficient number, since it is larger than the sum of its proper divisors (243507823).

555542225 is a wasteful number, since it uses less digits than its factorization.

555542225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47465 (or 47460 counting only the distinct ones).

The product of its digits is 100000, while the sum is 35.

The square root of 555542225 is about 23569.9432540683. The cubic root of 555542225 is about 822.0641161955.

The spelling of 555542225 in words is "five hundred fifty-five million, five hundred forty-two thousand, two hundred twenty-five".