55606461 has 4 divisors (see below), whose sum is σ = 74141952. Its totient is φ = 37070972.

The previous prime is 55606451. The next prime is 55606469. The reversal of 55606461 is 16460655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55606461 - 2⁵ = 55606429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55606469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9267741 + ... + 9267746.

It is an arithmetic number, because the mean of its divisors is an integer number (18535488).

Almost surely, 2^55606461 is an apocalyptic number.

It is an amenable number.

55606461 is a deficient number, since it is larger than the sum of its proper divisors (18535491).

55606461 is a wasteful number, since it uses less digits than its factorization.

55606461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18535490.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 55606461 is about 7456.9739841306. The cubic root of 55606461 is about 381.6879229807.

It can be divided in two parts, 5560 and 6461, that added together give a palindrome (12021).

The spelling of 55606461 in words is "fifty-five million, six hundred six thousand, four hundred sixty-one".