55131046 has 16 divisors (see below), whose sum is σ = 90835200. Its totient is φ = 24978888.

The previous prime is 55130981. The next prime is 55131049. The reversal of 55131046 is 64013155.

It is a self number, because there is not a number n which added to its sum of digits gives 55131046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55131049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30666 + ... + 32413.

It is an arithmetic number, because the mean of its divisors is an integer number (5677200).

Almost surely, 2^55131046 is an apocalyptic number.

55131046 is a deficient number, since it is larger than the sum of its proper divisors (35704154).

55131046 is a wasteful number, since it uses less digits than its factorization.

55131046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63123.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 55131046 is about 7425.0283501142. The cubic root of 55131046 is about 380.5970439085.

The spelling of 55131046 in words is "fifty-five million, one hundred thirty-one thousand, forty-six".