55726037 has 2 divisors, whose sum is σ = 55726038. Its totient is φ = 55726036.

The previous prime is 55726019. The next prime is 55726039. The reversal of 55726037 is 73062755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54967396 + 758641 = 7414^2 + 871^2 .

It is a cyclic number.

It is not a de Polignac number, because 55726037 - 2¹⁸ = 55463893 is a prime.

Together with 55726039, 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 = 55725988 and 55726006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55726039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27863018 + 27863019.

It is an arithmetic number, because the mean of its divisors is an integer number (27863019).

Almost surely, 2^55726037 is an apocalyptic number.

It is an amenable number.

55726037 is a deficient number, since it is larger than the sum of its proper divisors (1).

55726037 is an equidigital number, since it uses as much as digits as its factorization.

55726037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 55726037 is about 7464.9874078929. The cubic root of 55726037 is about 381.9613207001.

The spelling of 55726037 in words is "fifty-five million, seven hundred twenty-six thousand, thirty-seven".