55782535 has 4 divisors (see below), whose sum is σ = 66939048. Its totient is φ = 44626024.

The previous prime is 55782533. The next prime is 55782539. The reversal of 55782535 is 53528755.

It is a happy number.

55782535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55782535 - 2¹ = 55782533 is a prime.

It is a super-2 number, since 2×55782535² = 6223382422052450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55782533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5578249 + ... + 5578258.

It is an arithmetic number, because the mean of its divisors is an integer number (16734762).

Almost surely, 2^55782535 is an apocalyptic number.

55782535 is a deficient number, since it is larger than the sum of its proper divisors (11156513).

55782535 is a wasteful number, since it uses less digits than its factorization.

55782535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11156512.

The product of its digits is 210000, while the sum is 40.

The square root of 55782535 is about 7468.7706485070. The cubic root of 55782535 is about 382.0903612885.

The spelling of 55782535 in words is "fifty-five million, seven hundred eighty-two thousand, five hundred thirty-five".