55725803 has 16 divisors (see below), whose sum is σ = 69957120. Its totient is φ = 43281216.

The previous prime is 55725799. The next prime is 55725823. The reversal of 55725803 is 30852755.

It is not a de Polignac number, because 55725803 - 2² = 55725799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55725823) 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, 6050 + ... + 12167.

It is an arithmetic number, because the mean of its divisors is an integer number (4372320).

Almost surely, 2^55725803 is an apocalyptic number.

55725803 is a deficient number, since it is larger than the sum of its proper divisors (14231317).

55725803 is a wasteful number, since it uses less digits than its factorization.

55725803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18266.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 55725803 is about 7464.9717347087. The cubic root of 55725803 is about 381.9607860663.

The spelling of 55725803 in words is "fifty-five million, seven hundred twenty-five thousand, eight hundred three".