55433725 has 6 divisors (see below), whose sum is σ = 68737850. Its totient is φ = 44346960.

The previous prime is 55433711. The next prime is 55433737. The reversal of 55433725 is 52733455.

It can be written as a sum of positive squares in 3 ways, for example, as 14945956 + 40487769 = 3866^2 + 6363^2 .

It is a de Polignac number, because none of the positive numbers 2^k-55433725 is a prime.

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, 1108650 + ... + 1108699.

Almost surely, 2^55433725 is an apocalyptic number.

It is an amenable number.

55433725 is a deficient number, since it is larger than the sum of its proper divisors (13304125).

55433725 is a wasteful number, since it uses less digits than its factorization.

55433725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217359 (or 2217354 counting only the distinct ones).

The product of its digits is 63000, while the sum is 34.

The square root of 55433725 is about 7445.3827974121. The cubic root of 55433725 is about 381.2922877039.

The spelling of 55433725 in words is "fifty-five million, four hundred thirty-three thousand, seven hundred twenty-five".