55061413 has 6 divisors (see below), whose sum is σ = 60522182. Its totient is φ = 50055720.

The previous prime is 55061389. The next prime is 55061437. The reversal of 55061413 is 31416055.

It is an interprime number because it is at equal distance from previous prime (55061389) and next prime (55061437).

It can be written as a sum of positive squares in only one way, i.e., 49098049 + 5963364 = 7007^2 + 2442^2 .

It is not a de Polignac number, because 55061413 - 2¹³ = 55053221 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 (55061443) 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, 227406 + ... + 227647.

Almost surely, 2^55061413 is an apocalyptic number.

It is an amenable number.

55061413 is a deficient number, since it is larger than the sum of its proper divisors (5460769).

55061413 is a wasteful number, since it uses less digits than its factorization.

55061413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455075 (or 455064 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 55061413 is about 7420.3377955454. The cubic root of 55061413 is about 380.4367393160.

Adding to 55061413 its reverse (31416055), we get a palindrome (86477468).

The spelling of 55061413 in words is "fifty-five million, sixty-one thousand, four hundred thirteen".