42552069771 has 16 divisors (see below), whose sum is σ = 57237755904. Its totient is φ = 28118179584.

The previous prime is 42552069767. The next prime is 42552069823. The reversal of 42552069771 is 17796025524.

It is not a de Polignac number, because 42552069771 - 2² = 42552069767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42552069771.

It is not an unprimeable number, because it can be changed into a prime (42552069071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56550 + ... + 297156.

It is an arithmetic number, because the mean of its divisors is an integer number (3577359744).

Almost surely, 2^42552069771 is an apocalyptic number.

42552069771 is a deficient number, since it is larger than the sum of its proper divisors (14685686133).

42552069771 is a wasteful number, since it uses less digits than its factorization.

42552069771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241130.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 42552069771 in words is "forty-two billion, five hundred fifty-two million, sixty-nine thousand, seven hundred seventy-one".