55206937 has 6 divisors (see below), whose sum is σ = 55648874. Its totient is φ = 54768480.

The previous prime is 55206929. The next prime is 55206979. The reversal of 55206937 is 73960255.

It can be written as a sum of positive squares in only one way, i.e., 53816896 + 1390041 = 7336^2 + 1179^2 .

It is not a de Polignac number, because 55206937 - 2³ = 55206929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55206896 and 55206905.

It is not an unprimeable number, because it can be changed into a prime (55206917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15553 + ... + 18769.

Almost surely, 2^55206937 is an apocalyptic number.

It is an amenable number.

55206937 is a deficient number, since it is larger than the sum of its proper divisors (441937).

55206937 is an equidigital number, since it uses as much as digits as its factorization.

55206937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479 (or 3348 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 55206937 is about 7430.1370781433. The cubic root of 55206937 is about 380.7716016156.

The spelling of 55206937 in words is "fifty-five million, two hundred six thousand, nine hundred thirty-seven".