55289458 has 8 divisors (see below), whose sum is σ = 94781952. Its totient is φ = 23695476.

The previous prime is 55289387. The next prime is 55289459. The reversal of 55289458 is 85498255.

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

It is not an unprimeable number, because it can be changed into a prime (55289459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1974610 + ... + 1974637.

It is an arithmetic number, because the mean of its divisors is an integer number (11847744).

Almost surely, 2^55289458 is an apocalyptic number.

55289458 is a deficient number, since it is larger than the sum of its proper divisors (39492494).

55289458 is a wasteful number, since it uses less digits than its factorization.

55289458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949256.

The product of its digits is 576000, while the sum is 46.

The square root of 55289458 is about 7435.6881322444. The cubic root of 55289458 is about 380.9612276066.

The spelling of 55289458 in words is "fifty-five million, two hundred eighty-nine thousand, four hundred fifty-eight".