55662419 has 4 divisors (see below), whose sum is σ = 58592040. Its totient is φ = 52732800.

The previous prime is 55662407. The next prime is 55662463. The reversal of 55662419 is 91426655.

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

It is a cyclic number.

It is not a de Polignac number, because 55662419 - 2⁸ = 55662163 is a prime.

It is a super-2 number, since 2×55662419² = 6196609777863122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55662119) 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, 1464782 + ... + 1464819.

It is an arithmetic number, because the mean of its divisors is an integer number (14648010).

Almost surely, 2^55662419 is an apocalyptic number.

55662419 is a deficient number, since it is larger than the sum of its proper divisors (2929621).

55662419 is a wasteful number, since it uses less digits than its factorization.

55662419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929620.

The product of its digits is 64800, while the sum is 38.

The square root of 55662419 is about 7460.7250988091. The cubic root of 55662419 is about 381.8159136968.

The spelling of 55662419 in words is "fifty-five million, six hundred sixty-two thousand, four hundred nineteen".