52777542 has 32 divisors (see below), whose sum is σ = 107775360. Its totient is φ = 17226560.

The previous prime is 52777523. The next prime is 52777547. The reversal of 52777542 is 24577725.

It is a self number, because there is not a number n which added to its sum of digits gives 52777542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52777547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64834 + ... + 65642.

It is an arithmetic number, because the mean of its divisors is an integer number (3367980).

Almost surely, 2^52777542 is an apocalyptic number.

52777542 is an abundant number, since it is smaller than the sum of its proper divisors (54997818).

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

52777542 is a wasteful number, since it uses less digits than its factorization.

52777542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028.

The product of its digits is 137200, while the sum is 39.

The square root of 52777542 is about 7264.8153452101. The cubic root of 52777542 is about 375.1022938711.

The spelling of 52777542 in words is "fifty-two million, seven hundred seventy-seven thousand, five hundred forty-two".