55102647 has 16 divisors (see below), whose sum is σ = 75575808. Its totient is φ = 35689920.

The previous prime is 55102601. The next prime is 55102681. The reversal of 55102647 is 74620155.

It is not a de Polignac number, because 55102647 - 2¹² = 55098551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55102247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34018 + ... + 35600.

It is an arithmetic number, because the mean of its divisors is an integer number (4723488).

Almost surely, 2^55102647 is an apocalyptic number.

55102647 is a deficient number, since it is larger than the sum of its proper divisors (20473161).

55102647 is a wasteful number, since it uses less digits than its factorization.

55102647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 55102647 is about 7423.1157205044. The cubic root of 55102647 is about 380.5316818747.

The spelling of 55102647 in words is "fifty-five million, one hundred two thousand, six hundred forty-seven".