55723503 has 16 divisors (see below), whose sum is σ = 84577536. Its totient is φ = 32303040.

The previous prime is 55723489. The next prime is 55723513. The reversal of 55723503 is 30532755.

It is not a de Polignac number, because 55723503 - 2⁴ = 55723487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55723513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35950 + ... + 37467.

It is an arithmetic number, because the mean of its divisors is an integer number (5286096).

Almost surely, 2^55723503 is an apocalyptic number.

55723503 is a deficient number, since it is larger than the sum of its proper divisors (28854033).

55723503 is a wasteful number, since it uses less digits than its factorization.

55723503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73454.

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 55723503 is about 7464.8176802920. The cubic root of 55723503 is about 381.9555310387.

The spelling of 55723503 in words is "fifty-five million, seven hundred twenty-three thousand, five hundred three".