55730494 has 8 divisors (see below), whose sum is σ = 85539960. Its totient is φ = 27217176.

The previous prime is 55730483. The next prime is 55730497. The reversal of 55730494 is 49403755.

55730494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×55730494² = 6211775922968072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55730497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323929 + ... + 324100.

It is an arithmetic number, because the mean of its divisors is an integer number (10692495).

Almost surely, 2^55730494 is an apocalyptic number.

55730494 is a deficient number, since it is larger than the sum of its proper divisors (29809466).

55730494 is a wasteful number, since it uses less digits than its factorization.

55730494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648074.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 55730494 is about 7465.2859288844. The cubic root of 55730494 is about 381.9715035896.

The spelling of 55730494 in words is "fifty-five million, seven hundred thirty thousand, four hundred ninety-four".