55630143225 has 48 divisors (see below), whose sum is σ = 107573323200. Its totient is φ = 28107855360.

The previous prime is 55630143211. The next prime is 55630143253. The reversal of 55630143225 is 52234103655.

55630143225 is a `hidden beast` number, since 5 + 5 + 630 + 14 + 3 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 55630143225 - 2⁴ = 55630143209 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55630143225.

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, 2155992 + ... + 2181641.

It is an arithmetic number, because the mean of its divisors is an integer number (2241110900).

Almost surely, 2^55630143225 is an apocalyptic number.

It is an amenable number.

55630143225 is a deficient number, since it is larger than the sum of its proper divisors (51943179975).

55630143225 is a wasteful number, since it uses less digits than its factorization.

55630143225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337671 (or 4337660 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 55630143225 in words is "fifty-five billion, six hundred thirty million, one hundred forty-three thousand, two hundred twenty-five".