55261743 has 4 divisors (see below), whose sum is σ = 73682328. Its totient is φ = 36841160.

The previous prime is 55261721. The next prime is 55261783. The reversal of 55261743 is 34716255.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55261743 - 2⁵ = 55261711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55261783) 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, 9210288 + ... + 9210293.

It is an arithmetic number, because the mean of its divisors is an integer number (18420582).

Almost surely, 2^55261743 is an apocalyptic number.

55261743 is a deficient number, since it is larger than the sum of its proper divisors (18420585).

55261743 is a wasteful number, since it uses less digits than its factorization.

55261743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18420584.

The product of its digits is 25200, while the sum is 33.

The square root of 55261743 is about 7433.8242513527. The cubic root of 55261743 is about 380.8975620333.

Adding to 55261743 its reverse (34716255), we get a palindrome (89977998).

The spelling of 55261743 in words is "fifty-five million, two hundred sixty-one thousand, seven hundred forty-three".