55102744 has 8 divisors (see below), whose sum is σ = 103317660. Its totient is φ = 27551368.

The previous prime is 55102741. The next prime is 55102759. The reversal of 55102744 is 44720155.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55102741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3443914 + ... + 3443929.

Almost surely, 2^55102744 is an apocalyptic number.

It is an amenable number.

55102744 is a deficient number, since it is larger than the sum of its proper divisors (48214916).

55102744 is a wasteful number, since it uses less digits than its factorization.

55102744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887849 (or 6887845 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 55102744 is about 7423.1222541462. The cubic root of 55102744 is about 380.5319051643.

Adding to 55102744 its reverse (44720155), we get a palindrome (99822899).

The spelling of 55102744 in words is "fifty-five million, one hundred two thousand, seven hundred forty-four".