55510725 has 12 divisors (see below), whose sum is σ = 91777856. Its totient is φ = 29605680.

The previous prime is 55510703. The next prime is 55510751. The reversal of 55510725 is 52701555.

55510725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55510725 - 2¹³ = 55502533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55510692 and 55510701.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 369997 + ... + 370146.

Almost surely, 2^55510725 is an apocalyptic number.

It is an amenable number.

55510725 is a deficient number, since it is larger than the sum of its proper divisors (36267131).

55510725 is a wasteful number, since it uses less digits than its factorization.

55510725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740156 (or 740151 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 55510725 is about 7450.5519929734. The cubic root of 55510725 is about 381.4687502137.

The spelling of 55510725 in words is "fifty-five million, five hundred ten thousand, seven hundred twenty-five".