55142461 has 8 divisors (see below), whose sum is σ = 60881184. Its totient is φ = 49524720.

The previous prime is 55142449. The next prime is 55142471. The reversal of 55142461 is 16424155.

55142461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55142461 - 2⁵ = 55142429 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 (55142401) 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, 29286 + ... + 31111.

It is an arithmetic number, because the mean of its divisors is an integer number (7610148).

Almost surely, 2^55142461 is an apocalyptic number.

It is an amenable number.

55142461 is a deficient number, since it is larger than the sum of its proper divisors (5738723).

55142461 is a wasteful number, since it uses less digits than its factorization.

55142461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60491.

The product of its digits is 4800, while the sum is 28.

The square root of 55142461 is about 7425.7969942626. The cubic root of 55142461 is about 380.6233099041.

The spelling of 55142461 in words is "fifty-five million, one hundred forty-two thousand, four hundred sixty-one".