55430454 has 8 divisors (see below), whose sum is σ = 110860920. Its totient is φ = 18476816.

The previous prime is 55430413. The next prime is 55430491. The reversal of 55430454 is 45403455.

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

55430454 is an admirable number.

It is a super-2 number, since 2×55430454² = 6145070461292232, which contains 22 as substring.

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, 4619199 + ... + 4619210.

It is an arithmetic number, because the mean of its divisors is an integer number (13857615).

Almost surely, 2^55430454 is an apocalyptic number.

55430454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55430454 is a wasteful number, since it uses less digits than its factorization.

55430454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9238414.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 55430454 is about 7445.1631278300. The cubic root of 55430454 is about 381.2847878675.

The spelling of 55430454 in words is "fifty-five million, four hundred thirty thousand, four hundred fifty-four".