55725743 has 8 divisors (see below), whose sum is σ = 56246400. Its totient is φ = 55207768.

The previous prime is 55725739. The next prime is 55725749. The reversal of 55725743 is 34752755.

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 55725743 - 2² = 55725739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55725697 and 55725706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55725749) 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, 74630 + ... + 75372.

It is an arithmetic number, because the mean of its divisors is an integer number (7030800).

Almost surely, 2^55725743 is an apocalyptic number.

55725743 is a deficient number, since it is larger than the sum of its proper divisors (520657).

55725743 is a wasteful number, since it uses less digits than its factorization.

55725743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341.

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

The square root of 55725743 is about 7464.9677159382. The cubic root of 55725743 is about 381.9606489805.

The spelling of 55725743 in words is "fifty-five million, seven hundred twenty-five thousand, seven hundred forty-three".