55555461 has 24 divisors (see below), whose sum is σ = 86737560. Its totient is φ = 34062336.

The previous prime is 55555459. The next prime is 55555481. The reversal of 55555461 is 16455555.

It can be written as a sum of positive squares in 4 ways, for example, as 3629025 + 51926436 = 1905^2 + 7206^2 .

It is not a de Polignac number, because 55555461 - 2¹ = 55555459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38725 + ... + 40133.

It is an arithmetic number, because the mean of its divisors is an integer number (3614065).

Almost surely, 2^55555461 is an apocalyptic number.

It is an amenable number.

55555461 is a deficient number, since it is larger than the sum of its proper divisors (31182099).

55555461 is a wasteful number, since it uses less digits than its factorization.

55555461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765 (or 1762 counting only the distinct ones).

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

The square root of 55555461 is about 7453.5535820171. The cubic root of 55555461 is about 381.5711977061.

The spelling of 55555461 in words is "fifty-five million, five hundred fifty-five thousand, four hundred sixty-one".