55439067 has 8 divisors (see below), whose sum is σ = 76303360. Its totient is φ = 35767080.

The previous prime is 55439063. The next prime is 55439081. The reversal of 55439067 is 76093455.

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

It is not a de Polignac number, because 55439067 - 2² = 55439063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55439063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297967 + ... + 298152.

It is an arithmetic number, because the mean of its divisors is an integer number (9537920).

Almost surely, 2^55439067 is an apocalyptic number.

55439067 is a deficient number, since it is larger than the sum of its proper divisors (20864293).

55439067 is a wasteful number, since it uses less digits than its factorization.

55439067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596153.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 55439067 is about 7445.7415345955. The cubic root of 55439067 is about 381.3045353502.

It can be divided in two parts, 554 and 39067, that added together give a triangular number (39621 = T₂₈₁).

The spelling of 55439067 in words is "fifty-five million, four hundred thirty-nine thousand, sixty-seven".