542551155422 has 32 divisors (see below), whose sum is σ = 831535891200. Its totient is φ = 265441261888.

The previous prime is 542551155401. The next prime is 542551155493. The reversal of 542551155422 is 224551155245.

It is a self number, because there is not a number n which added to its sum of digits gives 542551155422.

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, 18707729 + ... + 18736707.

It is an arithmetic number, because the mean of its divisors is an integer number (25985496600).

Almost surely, 2^542551155422 is an apocalyptic number.

542551155422 is a deficient number, since it is larger than the sum of its proper divisors (288984735778).

542551155422 is a wasteful number, since it uses less digits than its factorization.

542551155422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30160.

The product of its digits is 400000, while the sum is 41.

The spelling of 542551155422 in words is "five hundred forty-two billion, five hundred fifty-one million, one hundred fifty-five thousand, four hundred twenty-two".