542155056 has 20 divisors (see below), whose sum is σ = 1400567352. Its totient is φ = 180718336.

The previous prime is 542155037. The next prime is 542155067. The reversal of 542155056 is 650551245.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5647401 + ... + 5647496.

Almost surely, 2^542155056 is an apocalyptic number.

It is an amenable number.

542155056 is an abundant number, since it is smaller than the sum of its proper divisors (858412296).

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

542155056 is a wasteful number, since it uses less digits than its factorization.

542155056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11294908 (or 11294902 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 542155056 is about 23284.2233282538. The cubic root of 542155056 is about 815.4071289418.

The spelling of 542155056 in words is "five hundred forty-two million, one hundred fifty-five thousand, fifty-six".