55100559 has 8 divisors (see below), whose sum is σ = 74225200. Its totient is φ = 36354816.

The previous prime is 55100557. The next prime is 55100561. The reversal of 55100559 is 95500155.

It is an interprime number because it is at equal distance from previous prime (55100557) and next prime (55100561).

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

It is not a de Polignac number, because 55100559 - 2¹ = 55100557 is a prime.

It is a super-2 number, since 2×55100559² = 6072143204224962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55100557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94384 + ... + 94965.

It is an arithmetic number, because the mean of its divisors is an integer number (9278150).

Almost surely, 2^55100559 is an apocalyptic number.

55100559 is a deficient number, since it is larger than the sum of its proper divisors (19124641).

55100559 is a wasteful number, since it uses less digits than its factorization.

55100559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189449.

The product of its (nonzero) digits is 5625, while the sum is 30.

The square root of 55100559 is about 7422.9750774201. The cubic root of 55100559 is about 380.5268753289.

The spelling of 55100559 in words is "fifty-five million, one hundred thousand, five hundred fifty-nine".