55134437 has 4 divisors (see below), whose sum is σ = 55314336. Its totient is φ = 54954540.

The previous prime is 55134413. The next prime is 55134439. The reversal of 55134437 is 73443155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55134437 - 2¹⁰ = 55133413 is a prime.

It is a super-2 number, since 2×55134437² = 6079612286613938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55134439) 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, 89489 + ... + 90102.

It is an arithmetic number, because the mean of its divisors is an integer number (13828584).

Almost surely, 2^55134437 is an apocalyptic number.

It is an amenable number.

55134437 is a deficient number, since it is larger than the sum of its proper divisors (179899).

55134437 is a wasteful number, since it uses less digits than its factorization.

55134437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179898.

The product of its digits is 25200, while the sum is 32.

The square root of 55134437 is about 7425.2566958995. The cubic root of 55134437 is about 380.6048470019.

The spelling of 55134437 in words is "fifty-five million, one hundred thirty-four thousand, four hundred thirty-seven".