55511061 has 8 divisors (see below), whose sum is σ = 74067840. Its totient is φ = 36980832.

The previous prime is 55511051. The next prime is 55511081. The reversal of 55511061 is 16011555.

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

It is not a de Polignac number, because 55511061 - 2¹⁸ = 55248917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55511011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1096 + ... + 10593.

It is an arithmetic number, because the mean of its divisors is an integer number (9258480).

Almost surely, 2^55511061 is an apocalyptic number.

It is an amenable number.

55511061 is a deficient number, since it is larger than the sum of its proper divisors (18556779).

55511061 is a wasteful number, since it uses less digits than its factorization.

55511061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13275.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 55511061 is about 7450.5745416042. The cubic root of 55511061 is about 381.4695198742.

The spelling of 55511061 in words is "fifty-five million, five hundred eleven thousand, sixty-one".