55543634 has 4 divisors (see below), whose sum is σ = 83315454. Its totient is φ = 27771816.

The previous prime is 55543627. The next prime is 55543639. The reversal of 55543634 is 43634555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50908225 + 4635409 = 7135^2 + 2153^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55543594 and 55543603.

It is not an unprimeable number, because it can be changed into a prime (55543639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13885907 + ... + 13885910.

Almost surely, 2^55543634 is an apocalyptic number.

55543634 is a deficient number, since it is larger than the sum of its proper divisors (27771820).

55543634 is a wasteful number, since it uses less digits than its factorization.

55543634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27771819.

The product of its digits is 108000, while the sum is 35.

The square root of 55543634 is about 7452.7601598334. The cubic root of 55543634 is about 381.5441186830.

The spelling of 55543634 in words is "fifty-five million, five hundred forty-three thousand, six hundred thirty-four".