55512413 has 16 divisors (see below), whose sum is σ = 62940672. Its totient is φ = 48504000.

The previous prime is 55512389. The next prime is 55512439. The reversal of 55512413 is 31421555.

It is a cyclic number.

It is not a de Polignac number, because 55512413 - 2¹² = 55508317 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 (55512473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58523 + ... + 59463.

It is an arithmetic number, because the mean of its divisors is an integer number (3933792).

Almost surely, 2^55512413 is an apocalyptic number.

It is an amenable number.

55512413 is a deficient number, since it is larger than the sum of its proper divisors (7428259).

55512413 is a wasteful number, since it uses less digits than its factorization.

55512413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

The product of its digits is 3000, while the sum is 26.

The square root of 55512413 is about 7450.6652723096. The cubic root of 55512413 is about 381.4726168102.

Adding to 55512413 its reverse (31421555), we get a palindrome (86933968).

The spelling of 55512413 in words is "fifty-five million, five hundred twelve thousand, four hundred thirteen".