55357451 has 2 divisors, whose sum is σ = 55357452. Its totient is φ = 55357450.

The previous prime is 55357429. The next prime is 55357501. The reversal of 55357451 is 15475355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55357451 - 2¹⁴ = 55341067 is a prime.

It is not a weakly prime, because it can be changed into another prime (55357651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27678725 + 27678726.

It is an arithmetic number, because the mean of its divisors is an integer number (27678726).

Almost surely, 2^55357451 is an apocalyptic number.

55357451 is a deficient number, since it is larger than the sum of its proper divisors (1).

55357451 is an equidigital number, since it uses as much as digits as its factorization.

55357451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52500, while the sum is 35.

The square root of 55357451 is about 7440.2587992623. The cubic root of 55357451 is about 381.1173278040.

The spelling of 55357451 in words is "fifty-five million, three hundred fifty-seven thousand, four hundred fifty-one".