542889155 has 16 divisors (see below), whose sum is σ = 657266400. Its totient is φ = 430464000.

The previous prime is 542889133. The next prime is 542889173. The reversal of 542889155 is 551988245.

It is not a de Polignac number, because 542889155 - 2²² = 538694851 is a prime.

It is a super-2 number, since 2×542889155² = 589457269233228050, which contains 22 as substring.

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, 286451 + ... + 288339.

It is an arithmetic number, because the mean of its divisors is an integer number (41079150).

Almost surely, 2^542889155 is an apocalyptic number.

542889155 is a deficient number, since it is larger than the sum of its proper divisors (114377245).

542889155 is a wasteful number, since it uses less digits than its factorization.

542889155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374.

The product of its digits is 576000, while the sum is 47.

The square root of 542889155 is about 23299.9818669457. The cubic root of 542889155 is about 815.7749939300.

The spelling of 542889155 in words is "five hundred forty-two million, eight hundred eighty-nine thousand, one hundred fifty-five".