55070225 has 48 divisors (see below), whose sum is σ = 83887488. Its totient is φ = 35005440.

The previous prime is 55070203. The next prime is 55070243. The reversal of 55070225 is 52207055.

It is not a de Polignac number, because 55070225 - 2⁶ = 55070161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55070194 and 55070203.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 318239 + ... + 318411.

It is an arithmetic number, because the mean of its divisors is an integer number (1747656).

Almost surely, 2^55070225 is an apocalyptic number.

It is an amenable number.

55070225 is a deficient number, since it is larger than the sum of its proper divisors (28817263).

55070225 is a wasteful number, since it uses less digits than its factorization.

55070225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 55070225 is about 7420.9315452981. The cubic root of 55070225 is about 380.4570331996.

The spelling of 55070225 in words is "fifty-five million, seventy thousand, two hundred twenty-five".