55712357 has 2 divisors, whose sum is σ = 55712358. Its totient is φ = 55712356.

The previous prime is 55712347. The next prime is 55712431. The reversal of 55712357 is 75321755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51179716 + 4532641 = 7154^2 + 2129^2 .

It is a cyclic number.

It is not a de Polignac number, because 55712357 - 2⁴ = 55712341 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55712347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27856178 + 27856179.

It is an arithmetic number, because the mean of its divisors is an integer number (27856179).

Almost surely, 2^55712357 is an apocalyptic number.

It is an amenable number.

55712357 is a deficient number, since it is larger than the sum of its proper divisors (1).

55712357 is an equidigital number, since it uses as much as digits as its factorization.

55712357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36750, while the sum is 35.

The square root of 55712357 is about 7464.0710741525. The cubic root of 55712357 is about 381.9300626696.

The spelling of 55712357 in words is "fifty-five million, seven hundred twelve thousand, three hundred fifty-seven".