55725030503 has 4 divisors (see below), whose sum is σ = 55733758920. Its totient is φ = 55716302088.

The previous prime is 55725030497. The next prime is 55725030523. The reversal of 55725030503 is 30503052755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55725030503 - 2²⁶ = 55657921639 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 (55725030523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4354625 + ... + 4367402.

It is an arithmetic number, because the mean of its divisors is an integer number (13933439730).

Almost surely, 2^55725030503 is an apocalyptic number.

55725030503 is a deficient number, since it is larger than the sum of its proper divisors (8728417).

55725030503 is an equidigital number, since it uses as much as digits as its factorization.

55725030503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728416.

The product of its (nonzero) digits is 78750, while the sum is 35.

The spelling of 55725030503 in words is "fifty-five billion, seven hundred twenty-five million, thirty thousand, five hundred three".