55053725 has 6 divisors (see below), whose sum is σ = 68266650. Its totient is φ = 44042960.

The previous prime is 55053683. The next prime is 55053751. The reversal of 55053725 is 52735055.

It can be written as a sum of positive squares in 3 ways, for example, as 574564 + 54479161 = 758^2 + 7381^2 .

It is a de Polignac number, because none of the positive numbers 2^k-55053725 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55053691 and 55053700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1101050 + ... + 1101099.

It is an arithmetic number, because the mean of its divisors is an integer number (11377775).

Almost surely, 2^55053725 is an apocalyptic number.

It is an amenable number.

55053725 is a deficient number, since it is larger than the sum of its proper divisors (13212925).

55053725 is a wasteful number, since it uses less digits than its factorization.

55053725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202159 (or 2202154 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 32.

The square root of 55053725 is about 7419.8197417458. The cubic root of 55053725 is about 380.4190322163.

The spelling of 55053725 in words is "fifty-five million, fifty-three thousand, seven hundred twenty-five".