55043461 has 4 divisors (see below), whose sum is σ = 60047424. Its totient is φ = 50039500.

The previous prime is 55043459. The next prime is 55043477. The reversal of 55043461 is 16434055.

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 55043461 - 2¹ = 55043459 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 (55043491) 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, 2501965 + ... + 2501986.

It is an arithmetic number, because the mean of its divisors is an integer number (15011856).

Almost surely, 2^55043461 is an apocalyptic number.

It is an amenable number.

55043461 is a deficient number, since it is larger than the sum of its proper divisors (5003963).

55043461 is a wasteful number, since it uses less digits than its factorization.

55043461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003962.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 55043461 is about 7419.1280484973. The cubic root of 55043461 is about 380.3953894708.

The spelling of 55043461 in words is "fifty-five million, forty-three thousand, four hundred sixty-one".