55254861 has 12 divisors (see below), whose sum is σ = 79878240. Its totient is φ = 36806280.

The previous prime is 55254847. The next prime is 55254877. The reversal of 55254861 is 16845255.

55254861 is a `hidden beast` number, since 5 + 52 + 548 + 61 = 666.

It is not a de Polignac number, because 55254861 - 2¹³ = 55246669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55254821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16846 + ... + 19856.

It is an arithmetic number, because the mean of its divisors is an integer number (6656520).

Almost surely, 2^55254861 is an apocalyptic number.

It is an amenable number.

55254861 is a deficient number, since it is larger than the sum of its proper divisors (24623379).

55254861 is a wasteful number, since it uses less digits than its factorization.

55254861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056 (or 5053 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 55254861 is about 7433.3613527125. The cubic root of 55254861 is about 380.8817497329.

The spelling of 55254861 in words is "fifty-five million, two hundred fifty-four thousand, eight hundred sixty-one".