55347646 has 8 divisors (see below), whose sum is σ = 87391080. Its totient is φ = 26217288.

The previous prime is 55347629. The next prime is 55347659. The reversal of 55347646 is 64674355.

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 = 55347599 and 55347608.

It is a congruent number.

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, 728221 + ... + 728296.

It is an arithmetic number, because the mean of its divisors is an integer number (10923885).

Almost surely, 2^55347646 is an apocalyptic number.

55347646 is a deficient number, since it is larger than the sum of its proper divisors (32043434).

55347646 is a wasteful number, since it uses less digits than its factorization.

55347646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456538.

The product of its digits is 302400, while the sum is 40.

The square root of 55347646 is about 7439.5998548309. The cubic root of 55347646 is about 381.0948251057.

The spelling of 55347646 in words is "fifty-five million, three hundred forty-seven thousand, six hundred forty-six".