55225137 has 8 divisors (see below), whose sum is σ = 80327520. Its totient is φ = 33469760.

The previous prime is 55225133. The next prime is 55225147. The reversal of 55225137 is 73152255.

55225137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55225137 - 2² = 55225133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55225133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 836712 + ... + 836777.

It is an arithmetic number, because the mean of its divisors is an integer number (10040940).

Almost surely, 2^55225137 is an apocalyptic number.

It is an amenable number.

55225137 is a deficient number, since it is larger than the sum of its proper divisors (25102383).

55225137 is a wasteful number, since it uses less digits than its factorization.

55225137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673503.

The product of its digits is 10500, while the sum is 30.

The square root of 55225137 is about 7431.3617190929. The cubic root of 55225137 is about 380.8134398466.

The spelling of 55225137 in words is "fifty-five million, two hundred twenty-five thousand, one hundred thirty-seven".