55545137 has 16 divisors (see below), whose sum is σ = 60652800. Its totient is φ = 50668800.

The previous prime is 55545109. The next prime is 55545157. The reversal of 55545137 is 73154555.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55545137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55545097 and 55545106.

It is not an unprimeable number, because it can be changed into a prime (55545107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78887 + ... + 79587.

It is an arithmetic number, because the mean of its divisors is an integer number (3790800).

Almost surely, 2^55545137 is an apocalyptic number.

It is an amenable number.

55545137 is a deficient number, since it is larger than the sum of its proper divisors (5107663).

55545137 is a wasteful number, since it uses less digits than its factorization.

55545137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its digits is 52500, while the sum is 35.

The square root of 55545137 is about 7452.8609942760. The cubic root of 55545137 is about 381.5475601554.

The spelling of 55545137 in words is "fifty-five million, five hundred forty-five thousand, one hundred thirty-seven".