55268537 has 2 divisors, whose sum is σ = 55268538. Its totient is φ = 55268536.

The previous prime is 55268527. The next prime is 55268539. The reversal of 55268537 is 73586255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51566761 + 3701776 = 7181^2 + 1924^2 .

It is a cyclic number.

It is not a de Polignac number, because 55268537 - 2⁸ = 55268281 is a prime.

It is a super-2 number, since 2×55268537² = 6109222364240738, which contains 22 as substring.

Together with 55268539, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55268494 and 55268503.

It is not a weakly prime, because it can be changed into another prime (55268539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27634268 + 27634269.

It is an arithmetic number, because the mean of its divisors is an integer number (27634269).

Almost surely, 2^55268537 is an apocalyptic number.

It is an amenable number.

55268537 is a deficient number, since it is larger than the sum of its proper divisors (1).

55268537 is an equidigital number, since it uses as much as digits as its factorization.

55268537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 41.

The square root of 55268537 is about 7434.2812026449. The cubic root of 55268537 is about 380.9131708545.

The spelling of 55268537 in words is "fifty-five million, two hundred sixty-eight thousand, five hundred thirty-seven".