55437119 has 4 divisors (see below), whose sum is σ = 58698144. Its totient is φ = 52176096.

The previous prime is 55437113. The next prime is 55437163. The reversal of 55437119 is 91173455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91173455 = 5 ⋅18234691.

It is a cyclic number.

It is not a de Polignac number, because 55437119 - 2⁸ = 55436863 is a prime.

It is a super-2 number, since 2×55437119² = 6146548326040322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55437113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1630487 + ... + 1630520.

It is an arithmetic number, because the mean of its divisors is an integer number (14674536).

Almost surely, 2^55437119 is an apocalyptic number.

55437119 is a deficient number, since it is larger than the sum of its proper divisors (3261025).

55437119 is a wasteful number, since it uses less digits than its factorization.

55437119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261024.

The product of its digits is 18900, while the sum is 35.

The square root of 55437119 is about 7445.6107204178. The cubic root of 55437119 is about 381.3000692461.

It can be divided in two parts, 554 and 37119, that added together give a palindrome (37673).

The spelling of 55437119 in words is "fifty-five million, four hundred thirty-seven thousand, one hundred nineteen".