55440614 has 8 divisors (see below), whose sum is σ = 83202120. Its totient is φ = 27706576.

The previous prime is 55440611. The next prime is 55440647. The reversal of 55440614 is 41604455.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55440611) 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, 719 + ... + 10554.

It is an arithmetic number, because the mean of its divisors is an integer number (10400265).

Almost surely, 2^55440614 is an apocalyptic number.

55440614 is a deficient number, since it is larger than the sum of its proper divisors (27761506).

55440614 is a wasteful number, since it uses less digits than its factorization.

55440614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13734.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 55440614 is about 7445.8454187553. The cubic root of 55440614 is about 381.3080820226.

The spelling of 55440614 in words is "fifty-five million, four hundred forty thousand, six hundred fourteen".