538022555 has 32 divisors (see below), whose sum is σ = 771876864. Its totient is φ = 352002816.

The previous prime is 538022549. The next prime is 538022581. The reversal of 538022555 is 555220835.

It is a cyclic number.

It is not a de Polignac number, because 538022555 - 2⁶ = 538022491 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 520319 + ... + 521351.

It is an arithmetic number, because the mean of its divisors is an integer number (24121152).

Almost surely, 2^538022555 is an apocalyptic number.

538022555 is a deficient number, since it is larger than the sum of its proper divisors (233854309).

538022555 is a wasteful number, since it uses less digits than its factorization.

538022555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 538022555 is about 23195.3132119400. The cubic root of 538022555 is about 813.3300670425.

The spelling of 538022555 in words is "five hundred thirty-eight million, twenty-two thousand, five hundred fifty-five".