55517358 has 32 divisors (see below), whose sum is σ = 120216096. Its totient is φ = 16990848.

The previous prime is 55517351. The next prime is 55517383. The reversal of 55517358 is 85371555.

55517358 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55517351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13560 + ... + 17172.

It is an arithmetic number, because the mean of its divisors is an integer number (3756753).

Almost surely, 2^55517358 is an apocalyptic number.

55517358 is an abundant number, since it is smaller than the sum of its proper divisors (64698738).

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

55517358 is a wasteful number, since it uses less digits than its factorization.

55517358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828.

The product of its digits is 105000, while the sum is 39.

The square root of 55517358 is about 7450.9971144807. The cubic root of 55517358 is about 381.4839435626.

The spelling of 55517358 in words is "fifty-five million, five hundred seventeen thousand, three hundred fifty-eight".