55316237 has 2 divisors, whose sum is σ = 55316238. Its totient is φ = 55316236.

The previous prime is 55316207. The next prime is 55316267. The reversal of 55316237 is 73261355.

It is a balanced prime because it is at equal distance from previous prime (55316207) and next prime (55316267).

It can be written as a sum of positive squares in only one way, i.e., 38514436 + 16801801 = 6206^2 + 4099^2 .

It is a cyclic number.

It is not a de Polignac number, because 55316237 - 2²² = 51121933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55316207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27658118 + 27658119.

It is an arithmetic number, because the mean of its divisors is an integer number (27658119).

Almost surely, 2^55316237 is an apocalyptic number.

It is an amenable number.

55316237 is a deficient number, since it is larger than the sum of its proper divisors (1).

55316237 is an equidigital number, since it uses as much as digits as its factorization.

55316237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 32.

The square root of 55316237 is about 7437.4886218400. The cubic root of 55316237 is about 381.0227228384.

The spelling of 55316237 in words is "fifty-five million, three hundred sixteen thousand, two hundred thirty-seven".