55867225 has 12 divisors (see below), whose sum is σ = 71148844. Its totient is φ = 43485120.

The previous prime is 55867193. The next prime is 55867237. The reversal of 55867225 is 52276855.

It can be written as a sum of positive squares in 6 ways, for example, as 200704 + 55666521 = 448^2 + 7461^2 .

It is not a de Polignac number, because 55867225 - 2⁵ = 55867193 is a prime.

It is a super-2 number, since 2×55867225² = 6242293658401250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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, 29274 + ... + 31123.

Almost surely, 2^55867225 is an apocalyptic number.

It is an amenable number.

55867225 is a deficient number, since it is larger than the sum of its proper divisors (15281619).

55867225 is a wasteful number, since it uses less digits than its factorization.

55867225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60444 (or 60439 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 55867225 is about 7474.4381059716. The cubic root of 55867225 is about 382.2836288909.

The spelling of 55867225 in words is "fifty-five million, eight hundred sixty-seven thousand, two hundred twenty-five".