55754057 has 2 divisors, whose sum is σ = 55754058. Its totient is φ = 55754056.

The previous prime is 55754051. The next prime is 55754059. The reversal of 55754057 is 75045755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39075001 + 16679056 = 6251^2 + 4084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55754057 is a prime.

Together with 55754059, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55754057.

It is not a weakly prime, because it can be changed into another prime (55754051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27877028 + 27877029.

It is an arithmetic number, because the mean of its divisors is an integer number (27877029).

Almost surely, 2^55754057 is an apocalyptic number.

It is an amenable number.

55754057 is a deficient number, since it is larger than the sum of its proper divisors (1).

55754057 is an equidigital number, since it uses as much as digits as its factorization.

55754057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122500, while the sum is 38.

The square root of 55754057 is about 7466.8639334060. The cubic root of 55754057 is about 382.0253288579.

The spelling of 55754057 in words is "fifty-five million, seven hundred fifty-four thousand, fifty-seven".