542561356 has 6 divisors (see below), whose sum is σ = 949482380. Its totient is φ = 271280676.

The previous prime is 542561317. The next prime is 542561363. The reversal of 542561356 is 653165245.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67820166 + ... + 67820173.

Almost surely, 2^542561356 is an apocalyptic number.

It is an amenable number.

542561356 is a deficient number, since it is larger than the sum of its proper divisors (406921024).

542561356 is a wasteful number, since it uses less digits than its factorization.

542561356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135640343 (or 135640341 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 542561356 is about 23292.9464860073. The cubic root of 542561356 is about 815.6107712926.

The spelling of 542561356 in words is "five hundred forty-two million, five hundred sixty-one thousand, three hundred fifty-six".