55051558 has 8 divisors (see below), whose sum is σ = 86167728. Its totient is φ = 26328984.

The previous prime is 55051537. The next prime is 55051583. The reversal of 55051558 is 85515055.

It is a happy number.

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

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, 598341 + ... + 598432.

It is an arithmetic number, because the mean of its divisors is an integer number (10770966).

Almost surely, 2^55051558 is an apocalyptic number.

55051558 is a deficient number, since it is larger than the sum of its proper divisors (31116170).

55051558 is a wasteful number, since it uses less digits than its factorization.

55051558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196798.

The product of its (nonzero) digits is 25000, while the sum is 34.

The square root of 55051558 is about 7419.6737125025. The cubic root of 55051558 is about 380.4140408564.

The spelling of 55051558 in words is "fifty-five million, fifty-one thousand, five hundred fifty-eight".