55707037 has 2 divisors, whose sum is σ = 55707038. Its totient is φ = 55707036.

The previous prime is 55707019. The next prime is 55707073. The reversal of 55707037 is 73070755.

Together with next prime (55707073) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33860761 + 21846276 = 5819^2 + 4674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55707037 is a prime.

It is equal to p_3321889 and since 55707037 and 3321889 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 55706993 and 55707011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55707007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27853518 + 27853519.

It is an arithmetic number, because the mean of its divisors is an integer number (27853519).

Almost surely, 2^55707037 is an apocalyptic number.

It is an amenable number.

55707037 is a deficient number, since it is larger than the sum of its proper divisors (1).

55707037 is an equidigital number, since it uses as much as digits as its factorization.

55707037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25725, while the sum is 34.

The square root of 55707037 is about 7463.7146917604. The cubic root of 55707037 is about 381.9179053870.

The spelling of 55707037 in words is "fifty-five million, seven hundred seven thousand, thirty-seven".