55134047 has 4 divisors (see below), whose sum is σ = 55231176. Its totient is φ = 55036920.

The previous prime is 55134031. The next prime is 55134071. The reversal of 55134047 is 74043155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55134047 - 2⁴ = 55134031 is a prime.

It is a super-3 number, since 3×55134047³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55134007) 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, 47708 + ... + 48849.

It is an arithmetic number, because the mean of its divisors is an integer number (13807794).

Almost surely, 2^55134047 is an apocalyptic number.

55134047 is a deficient number, since it is larger than the sum of its proper divisors (97129).

55134047 is an equidigital number, since it uses as much as digits as its factorization.

55134047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97128.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 55134047 is about 7425.2304341347. The cubic root of 55134047 is about 380.6039495819.

The spelling of 55134047 in words is "fifty-five million, one hundred thirty-four thousand, forty-seven".