55724903 has 8 divisors (see below), whose sum is σ = 60996096. Its totient is φ = 50594400.

The previous prime is 55724899. The next prime is 55724909. The reversal of 55724903 is 30942755.

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 55724903 - 2² = 55724899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55724909) 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, 34343 + ... + 35928.

It is an arithmetic number, because the mean of its divisors is an integer number (7624512).

Almost surely, 2^55724903 is an apocalyptic number.

55724903 is a deficient number, since it is larger than the sum of its proper divisors (5271193).

55724903 is a wasteful number, since it uses less digits than its factorization.

55724903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70345.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 55724903 is about 7464.9114529243. The cubic root of 55724903 is about 381.9587297684.

The spelling of 55724903 in words is "fifty-five million, seven hundred twenty-four thousand, nine hundred three".