55368641 has 4 divisors (see below), whose sum is σ = 58282800. Its totient is φ = 52454484.

The previous prime is 55368637. The next prime is 55368647. The reversal of 55368641 is 14686355.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14686355 = 5 ⋅2937271.

It is a cyclic number.

It is not a de Polignac number, because 55368641 - 2² = 55368637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55368595 and 55368604.

It is not an unprimeable number, because it can be changed into a prime (55368647) 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, 1457051 + ... + 1457088.

It is an arithmetic number, because the mean of its divisors is an integer number (14570700).

Almost surely, 2^55368641 is an apocalyptic number.

It is an amenable number.

55368641 is a deficient number, since it is larger than the sum of its proper divisors (2914159).

55368641 is a wasteful number, since it uses less digits than its factorization.

55368641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914158.

The product of its digits is 86400, while the sum is 38.

The square root of 55368641 is about 7441.0107512353. The cubic root of 55368641 is about 381.1430058623.

The spelling of 55368641 in words is "fifty-five million, three hundred sixty-eight thousand, six hundred forty-one".