55559151 has 6 divisors (see below), whose sum is σ = 80252120. Its totient is φ = 37039428.

The previous prime is 55559149. The next prime is 55559171. The reversal of 55559151 is 15195555.

It is a happy number.

55559151 is a `hidden beast` number, since 55 + 559 + 1 + 51 = 666.

It is not a de Polignac number, because 55559151 - 2¹ = 55559149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55559171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3086611 + ... + 3086628.

Almost surely, 2^55559151 is an apocalyptic number.

55559151 is a deficient number, since it is larger than the sum of its proper divisors (24692969).

55559151 is a wasteful number, since it uses less digits than its factorization.

55559151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6173245 (or 6173242 counting only the distinct ones).

The product of its digits is 28125, while the sum is 36.

The square root of 55559151 is about 7453.8011108427. The cubic root of 55559151 is about 381.5796455198.

It can be divided in two parts, 5555 and 9151, that multiplied together give a palindrome (50833805).

The spelling of 55559151 in words is "fifty-five million, five hundred fifty-nine thousand, one hundred fifty-one".