55182765 has 64 divisors (see below), whose sum is σ = 103514112. Its totient is φ = 24806400.

The previous prime is 55182733. The next prime is 55182769. The reversal of 55182765 is 56728155.

55182765 is a nontrivial binomial coefficient, being equal to C(10506, 2).

It is not a de Polignac number, because 55182765 - 2⁵ = 55182733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55182769) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 288820 + ... + 289010.

It is an arithmetic number, because the mean of its divisors is an integer number (1617408).

Almost surely, 2^55182765 is an apocalyptic number.

55182765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55182765 is the 10505-th triangular number and also the 5253-rd hexagonal number.

It is an amenable number.

55182765 is a deficient number, since it is larger than the sum of its proper divisors (48331347).

55182765 is a wasteful number, since it uses less digits than its factorization.

55182765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330.

The product of its digits is 84000, while the sum is 39.

The square root of 55182765 is about 7428.5102813417. The cubic root of 55182765 is about 380.7160207093.

The spelling of 55182765 in words is "fifty-five million, one hundred eighty-two thousand, seven hundred sixty-five".