55365451 has 2 divisors, whose sum is σ = 55365452. Its totient is φ = 55365450.

The previous prime is 55365433. The next prime is 55365461. The reversal of 55365451 is 15456355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55365451 - 2²³ = 46976843 is a prime.

It is not a weakly prime, because it can be changed into another prime (55365421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27682725 + 27682726.

It is an arithmetic number, because the mean of its divisors is an integer number (27682726).

Almost surely, 2^55365451 is an apocalyptic number.

55365451 is a deficient number, since it is larger than the sum of its proper divisors (1).

55365451 is an equidigital number, since it uses as much as digits as its factorization.

55365451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45000, while the sum is 34.

The square root of 55365451 is about 7440.7963955480. The cubic root of 55365451 is about 381.1356860178.

The spelling of 55365451 in words is "fifty-five million, three hundred sixty-five thousand, four hundred fifty-one".