55254613 has 4 divisors (see below), whose sum is σ = 56539648. Its totient is φ = 53969580.

The previous prime is 55254601. The next prime is 55254637. The reversal of 55254613 is 31645255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55254613 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 (55254113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642453 + ... + 642538.

It is an arithmetic number, because the mean of its divisors is an integer number (14134912).

Almost surely, 2^55254613 is an apocalyptic number.

It is an amenable number.

55254613 is a deficient number, since it is larger than the sum of its proper divisors (1285035).

55254613 is a wasteful number, since it uses less digits than its factorization.

55254613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285034.

The product of its digits is 18000, while the sum is 31.

The square root of 55254613 is about 7433.3446711423. The cubic root of 55254613 is about 380.8811798958.

Adding to 55254613 its reverse (31645255), we get a palindrome (86899868).

The spelling of 55254613 in words is "fifty-five million, two hundred fifty-four thousand, six hundred thirteen".