55257103 has 8 divisors (see below), whose sum is σ = 61044480. Its totient is φ = 49597080.

The previous prime is 55257079. The next prime is 55257133. The reversal of 55257103 is 30175255.

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 55257103 - 2⁵ = 55257071 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 (55257133) 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, 30925 + ... + 32662.

It is an arithmetic number, because the mean of its divisors is an integer number (7630560).

Almost surely, 2^55257103 is an apocalyptic number.

55257103 is a deficient number, since it is larger than the sum of its proper divisors (5787377).

55257103 is a wasteful number, since it uses less digits than its factorization.

55257103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63677.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 55257103 is about 7433.5121577892. The cubic root of 55257103 is about 380.8869011671.

The spelling of 55257103 in words is "fifty-five million, two hundred fifty-seven thousand, one hundred three".