55430562 has 32 divisors (see below), whose sum is σ = 127307520. Its totient is φ = 15912720.

The previous prime is 55430549. The next prime is 55430567. The reversal of 55430562 is 26503455.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (55430567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20848 + ... + 23355.

It is an arithmetic number, because the mean of its divisors is an integer number (3978360).

Almost surely, 2^55430562 is an apocalyptic number.

55430562 is an abundant number, since it is smaller than the sum of its proper divisors (71876958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55430562 is a wasteful number, since it uses less digits than its factorization.

55430562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44238.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 55430562 is about 7445.1703808576. The cubic root of 55430562 is about 381.2850354975.

The spelling of 55430562 in words is "fifty-five million, four hundred thirty thousand, five hundred sixty-two".