55957503 has 8 divisors (see below), whose sum is σ = 85268608. Its totient is φ = 31975704.

The previous prime is 55957483. The next prime is 55957519. The reversal of 55957503 is 30575955.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55957503 - 2⁵ = 55957471 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 (55957103) 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, 1332301 + ... + 1332342.

It is an arithmetic number, because the mean of its divisors is an integer number (10658576).

Almost surely, 2^55957503 is an apocalyptic number.

55957503 is a deficient number, since it is larger than the sum of its proper divisors (29311105).

55957503 is a wasteful number, since it uses less digits than its factorization.

55957503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664653.

The product of its (nonzero) digits is 118125, while the sum is 39.

The square root of 55957503 is about 7480.4747843970. The cubic root of 55957503 is about 382.4894336865.

The spelling of 55957503 in words is "fifty-five million, nine hundred fifty-seven thousand, five hundred three".