55008451 has 2 divisors, whose sum is σ = 55008452. Its totient is φ = 55008450.

The previous prime is 55008449. The next prime is 55008461. The reversal of 55008451 is 15480055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55008451 - 2¹ = 55008449 is a prime.

Together with 55008449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55008461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27504225 + 27504226.

It is an arithmetic number, because the mean of its divisors is an integer number (27504226).

Almost surely, 2^55008451 is an apocalyptic number.

55008451 is a deficient number, since it is larger than the sum of its proper divisors (1).

55008451 is an equidigital number, since it uses as much as digits as its factorization.

55008451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 55008451 is about 7416.7682315143. The cubic root of 55008451 is about 380.3147231097.

The spelling of 55008451 in words is "fifty-five million, eight thousand, four hundred fifty-one".