55280053 has 8 divisors (see below), whose sum is σ = 56175768. Its totient is φ = 54388224.

The previous prime is 55280047. The next prime is 55280077. The reversal of 55280053 is 35008255.

55280053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15816529 + 39463524 = 3977^2 + 6282^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55280053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55280023) 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 7 ways as a sum of consecutive naturals, for example, 42651 + ... + 43927.

It is an arithmetic number, because the mean of its divisors is an integer number (7021971).

Almost surely, 2^55280053 is an apocalyptic number.

It is an amenable number.

55280053 is a deficient number, since it is larger than the sum of its proper divisors (895715).

55280053 is a wasteful number, since it uses less digits than its factorization.

55280053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 55280053 is about 7435.0556823739. The cubic root of 55280053 is about 380.9396252755.

The spelling of 55280053 in words is "fifty-five million, two hundred eighty thousand, fifty-three".