55352747 has 8 divisors (see below), whose sum is σ = 57268512. Its totient is φ = 53464000.

The previous prime is 55352683. The next prime is 55352753. The reversal of 55352747 is 74725355.

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

It is not a de Polignac number, because 55352747 - 2⁶ = 55352683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55352747.

It is not an unprimeable number, because it can be changed into a prime (55352767) 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, 2543 + ... + 10824.

It is an arithmetic number, because the mean of its divisors is an integer number (7158564).

Almost surely, 2^55352747 is an apocalyptic number.

55352747 is a deficient number, since it is larger than the sum of its proper divisors (1915765).

55352747 is a wasteful number, since it uses less digits than its factorization.

55352747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13509.

The product of its digits is 147000, while the sum is 38.

The square root of 55352747 is about 7439.9426745103. The cubic root of 55352747 is about 381.1065323485.

The spelling of 55352747 in words is "fifty-five million, three hundred fifty-two thousand, seven hundred forty-seven".