555431045 has 16 divisors (see below), whose sum is σ = 718403952. Its totient is φ = 409812480.

The previous prime is 555431039. The next prime is 555431053. The reversal of 555431045 is 540134555.

It can be written as a sum of positive squares in 8 ways, for example, as 28912129 + 526518916 = 5377^2 + 22946^2 .

It is not a de Polignac number, because 555431045 - 2⁸ = 555430789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91505 + ... + 97385.

It is an arithmetic number, because the mean of its divisors is an integer number (44900247).

Almost surely, 2^555431045 is an apocalyptic number.

It is an amenable number.

555431045 is a deficient number, since it is larger than the sum of its proper divisors (162972907).

555431045 is a wasteful number, since it uses less digits than its factorization.

555431045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 555431045 is about 23567.5846238005. The cubic root of 555431045 is about 822.0092729678.

The spelling of 555431045 in words is "five hundred fifty-five million, four hundred thirty-one thousand, forty-five".