55319079 has 4 divisors (see below), whose sum is σ = 73758776. Its totient is φ = 36879384.

The previous prime is 55319063. The next prime is 55319101. The reversal of 55319079 is 97091355.

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

It is not a de Polignac number, because 55319079 - 2⁴ = 55319063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55319059) 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, 9219844 + ... + 9219849.

It is an arithmetic number, because the mean of its divisors is an integer number (18439694).

Almost surely, 2^55319079 is an apocalyptic number.

55319079 is a deficient number, since it is larger than the sum of its proper divisors (18439697).

55319079 is a wasteful number, since it uses less digits than its factorization.

55319079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18439696.

The product of its (nonzero) digits is 42525, while the sum is 39.

The square root of 55319079 is about 7437.6796785019. The cubic root of 55319079 is about 381.0292480354.

The spelling of 55319079 in words is "fifty-five million, three hundred nineteen thousand, seventy-nine".