55393946 has 8 divisors (see below), whose sum is σ = 83178900. Its totient is φ = 27667648.

The previous prime is 55393937. The next prime is 55393963. The reversal of 55393946 is 64939355.

It can be written as a sum of positive squares in 2 ways, for example, as 55338721 + 55225 = 7439^2 + 235^2 .

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 = 55393897 and 55393906.

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, 12221 + ... + 16128.

Almost surely, 2^55393946 is an apocalyptic number.

55393946 is a deficient number, since it is larger than the sum of its proper divisors (27784954).

55393946 is a wasteful number, since it uses less digits than its factorization.

55393946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29328.

The product of its digits is 437400, while the sum is 44.

The square root of 55393946 is about 7442.7109308370. The cubic root of 55393946 is about 381.2010613166.

The spelling of 55393946 in words is "fifty-five million, three hundred ninety-three thousand, nine hundred forty-six".