55879419 has 4 divisors (see below), whose sum is σ = 74505896. Its totient is φ = 37252944.

The previous prime is 55879393. The next prime is 55879463. The reversal of 55879419 is 91497855.

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

It is not a de Polignac number, because 55879419 - 2⁸ = 55879163 is a prime.

It is a super-2 number, since 2×55879419² = 6245018935555122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55879319) 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, 9313234 + ... + 9313239.

It is an arithmetic number, because the mean of its divisors is an integer number (18626474).

Almost surely, 2^55879419 is an apocalyptic number.

55879419 is a deficient number, since it is larger than the sum of its proper divisors (18626477).

55879419 is a wasteful number, since it uses less digits than its factorization.

55879419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18626476.

The product of its digits is 453600, while the sum is 48.

The square root of 55879419 is about 7475.2537749564. The cubic root of 55879419 is about 382.3114402326.

The spelling of 55879419 in words is "fifty-five million, eight hundred seventy-nine thousand, four hundred nineteen".