55078599 has 16 divisors (see below), whose sum is σ = 76170240. Its totient is φ = 35364480.

The previous prime is 55078577. The next prime is 55078601. The reversal of 55078599 is 99587055.

It is not a de Polignac number, because 55078599 - 2⁵ = 55078567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55078519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19807 + ... + 22415.

It is an arithmetic number, because the mean of its divisors is an integer number (4760640).

Almost surely, 2^55078599 is an apocalyptic number.

55078599 is a deficient number, since it is larger than the sum of its proper divisors (21091641).

55078599 is a wasteful number, since it uses less digits than its factorization.

55078599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870.

The product of its (nonzero) digits is 567000, while the sum is 48.

The square root of 55078599 is about 7421.4957387308. The cubic root of 55078599 is about 380.4763163708.

The spelling of 55078599 in words is "fifty-five million, seventy-eight thousand, five hundred ninety-nine".