55456451 has 4 divisors (see below), whose sum is σ = 56955312. Its totient is φ = 53957592.

The previous prime is 55456441. The next prime is 55456463. The reversal of 55456451 is 15465455.

55456451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55456451 - 2¹⁰ = 55455427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55456441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749375 + ... + 749448.

It is an arithmetic number, because the mean of its divisors is an integer number (14238828).

Almost surely, 2^55456451 is an apocalyptic number.

55456451 is a deficient number, since it is larger than the sum of its proper divisors (1498861).

55456451 is a wasteful number, since it uses less digits than its factorization.

55456451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498860.

The product of its digits is 60000, while the sum is 35.

The square root of 55456451 is about 7446.9088217864. The cubic root of 55456451 is about 381.3443863414.

The spelling of 55456451 in words is "fifty-five million, four hundred fifty-six thousand, four hundred fifty-one".