55897458 has 8 divisors (see below), whose sum is σ = 111794928. Its totient is φ = 18632484.

The previous prime is 55897451. The next prime is 55897459. The reversal of 55897458 is 85479855.

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

55897458 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 55897458.

It is not an unprimeable number, because it can be changed into a prime (55897451) 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, 4658116 + ... + 4658127.

It is an arithmetic number, because the mean of its divisors is an integer number (13974366).

Almost surely, 2^55897458 is an apocalyptic number.

55897458 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.

55897458 is a wasteful number, since it uses less digits than its factorization.

55897458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9316248.

The product of its digits is 2016000, while the sum is 51.

The square root of 55897458 is about 7476.4602587053. The cubic root of 55897458 is about 382.3525750798.

The spelling of 55897458 in words is "fifty-five million, eight hundred ninety-seven thousand, four hundred fifty-eight".