55741997 has 8 divisors (see below), whose sum is σ = 59830776. Its totient is φ = 51743232.

The previous prime is 55741993. The next prime is 55742023. The reversal of 55741997 is 79914755.

55741997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6895876 + 48846121 = 2626^2 + 6989^2 .

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 55741997 - 2² = 55741993 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 (55741993) 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, 21218 + ... + 23699.

It is an arithmetic number, because the mean of its divisors is an integer number (7478847).

Almost surely, 2^55741997 is an apocalyptic number.

It is an amenable number.

55741997 is a deficient number, since it is larger than the sum of its proper divisors (4088779).

55741997 is a wasteful number, since it uses less digits than its factorization.

55741997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45007.

The product of its digits is 396900, while the sum is 47.

The square root of 55741997 is about 7466.0563217806. The cubic root of 55741997 is about 381.9977819375.

The spelling of 55741997 in words is "fifty-five million, seven hundred forty-one thousand, nine hundred ninety-seven".