55430726 has 8 divisors (see below), whose sum is σ = 89541984. Its totient is φ = 25583400.

The previous prime is 55430717. The next prime is 55430731. The reversal of 55430726 is 62703455.

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 = 55430692 and 55430701.

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, 1065950 + ... + 1066001.

It is an arithmetic number, because the mean of its divisors is an integer number (11192748).

Almost surely, 2^55430726 is an apocalyptic number.

55430726 is a deficient number, since it is larger than the sum of its proper divisors (34111258).

55430726 is a wasteful number, since it uses less digits than its factorization.

55430726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131966.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 55430726 is about 7445.1813947009. The cubic root of 55430726 is about 381.2854115276.

The spelling of 55430726 in words is "fifty-five million, four hundred thirty thousand, seven hundred twenty-six".