55161534 has 16 divisors (see below), whose sum is σ = 110412288. Its totient is φ = 18372312.

The previous prime is 55161473. The next prime is 55161553. The reversal of 55161534 is 43516155.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6469 + ... + 12335.

It is an arithmetic number, because the mean of its divisors is an integer number (6900768).

Almost surely, 2^55161534 is an apocalyptic number.

55161534 is an abundant number, since it is smaller than the sum of its proper divisors (55250754).

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

55161534 is a wasteful number, since it uses less digits than its factorization.

55161534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7439.

The product of its digits is 9000, while the sum is 30.

The square root of 55161534 is about 7427.0811224868. The cubic root of 55161534 is about 380.6671889247.

Adding to 55161534 its reverse (43516155), we get a palindrome (98677689).

The spelling of 55161534 in words is "fifty-five million, one hundred sixty-one thousand, five hundred thirty-four".