55742103 has 12 divisors (see below), whose sum is σ = 81051568. Its totient is φ = 36914400.

The previous prime is 55742101. The next prime is 55742111. The reversal of 55742103 is 30124755.

It is a happy number.

55742103 is a `hidden beast` number, since 557 + 4 + 2 + 103 = 666.

It is not a de Polignac number, because 55742103 - 2¹ = 55742101 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 (55742101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19150 + ... + 21867.

Almost surely, 2^55742103 is an apocalyptic number.

55742103 is a deficient number, since it is larger than the sum of its proper divisors (25309465).

55742103 is a wasteful number, since it uses less digits than its factorization.

55742103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41174 (or 41171 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 55742103 is about 7466.0634205718. The cubic root of 55742103 is about 381.9980240754.

Adding to 55742103 its reverse (30124755), we get a palindrome (85866858).

The spelling of 55742103 in words is "fifty-five million, seven hundred forty-two thousand, one hundred three".