55434011 has 4 divisors (see below), whose sum is σ = 55465872. Its totient is φ = 55402152.

The previous prime is 55434007. The next prime is 55434013. The reversal of 55434011 is 11043455.

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

It is a cyclic number.

It is not a de Polignac number, because 55434011 - 2² = 55434007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55434013) 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, 13160 + ... + 16853.

It is an arithmetic number, because the mean of its divisors is an integer number (13866468).

Almost surely, 2^55434011 is an apocalyptic number.

55434011 is a deficient number, since it is larger than the sum of its proper divisors (31861).

55434011 is a wasteful number, since it uses less digits than its factorization.

55434011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31860.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 55434011 is about 7445.4020039216. The cubic root of 55434011 is about 381.2929434383.

Adding to 55434011 its reverse (11043455), we get a palindrome (66477466).

The spelling of 55434011 in words is "fifty-five million, four hundred thirty-four thousand, eleven".