55655451 has 8 divisors (see below), whose sum is σ = 82452560. Its totient is φ = 37103616.

The previous prime is 55655449. The next prime is 55655471. The reversal of 55655451 is 15455655.

55655451 is a `hidden beast` number, since 5 + 56 + 554 + 51 = 666.

55655451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55655451 - 2¹ = 55655449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55655471) 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 7 ways as a sum of consecutive naturals, for example, 1030630 + ... + 1030683.

It is an arithmetic number, because the mean of its divisors is an integer number (10306570).

Almost surely, 2^55655451 is an apocalyptic number.

55655451 is a deficient number, since it is larger than the sum of its proper divisors (26797109).

55655451 is a wasteful number, since it uses less digits than its factorization.

55655451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061322 (or 2061316 counting only the distinct ones).

The product of its digits is 75000, while the sum is 36.

The square root of 55655451 is about 7460.2581054545. The cubic root of 55655451 is about 381.7999807186.

The spelling of 55655451 in words is "fifty-five million, six hundred fifty-five thousand, four hundred fifty-one".