55643134 has 8 divisors (see below), whose sum is σ = 87857640. Its totient is φ = 26357256.

The previous prime is 55643129. The next prime is 55643143. The reversal of 55643134 is 43134655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55643134² = 6192316722683912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55643096 and 55643105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732109 + ... + 732184.

It is an arithmetic number, because the mean of its divisors is an integer number (10982205).

Almost surely, 2^55643134 is an apocalyptic number.

55643134 is a deficient number, since it is larger than the sum of its proper divisors (32214506).

55643134 is a wasteful number, since it uses less digits than its factorization.

55643134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464314.

The product of its digits is 21600, while the sum is 31.

The square root of 55643134 is about 7459.4325521450. The cubic root of 55643134 is about 381.7718135027.

Adding to 55643134 its reverse (43134655), we get a palindrome (98777789).

The spelling of 55643134 in words is "fifty-five million, six hundred forty-three thousand, one hundred thirty-four".