55351025 has 12 divisors (see below), whose sum is σ = 70310604. Its totient is φ = 43200000.

The previous prime is 55350989. The next prime is 55351039. The reversal of 55351025 is 52015355.

It can be written as a sum of positive squares in 6 ways, for example, as 16313521 + 39037504 = 4039^2 + 6248^2 .

It is not a de Polignac number, because 55351025 - 2⁸ = 55350769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55350985 and 55351003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25976 + ... + 28025.

It is an arithmetic number, because the mean of its divisors is an integer number (5859217).

Almost surely, 2^55351025 is an apocalyptic number.

It is an amenable number.

55351025 is a deficient number, since it is larger than the sum of its proper divisors (14959579).

55351025 is a wasteful number, since it uses less digits than its factorization.

55351025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54052 (or 54047 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55351025 is about 7439.8269469121. The cubic root of 55351025 is about 381.1025802878.

The spelling of 55351025 in words is "fifty-five million, three hundred fifty-one thousand, twenty-five".