55669946 has 8 divisors (see below), whose sum is σ = 84649044. Its totient is φ = 27453600.

The previous prime is 55669931. The next prime is 55669961. The reversal of 55669946 is 64996655.

It is an interprime number because it is at equal distance from previous prime (55669931) and next prime (55669961).

It can be written as a sum of positive squares in 2 ways, for example, as 53860921 + 1809025 = 7339^2 + 1345^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 55669894 and 55669903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190505 + ... + 190796.

Almost surely, 2^55669946 is an apocalyptic number.

55669946 is a deficient number, since it is larger than the sum of its proper divisors (28979098).

55669946 is a wasteful number, since it uses less digits than its factorization.

55669946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381376.

The product of its digits is 1749600, while the sum is 50.

The square root of 55669946 is about 7461.2295233427. The cubic root of 55669946 is about 381.8331233863.

The spelling of 55669946 in words is "fifty-five million, six hundred sixty-nine thousand, nine hundred forty-six".