55904811 has 8 divisors (see below), whose sum is σ = 76944384. Its totient is φ = 36067560.

The previous prime is 55904809. The next prime is 55904831. The reversal of 55904811 is 11840955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55904811 - 2¹ = 55904809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55904831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300471 + ... + 300656.

It is an arithmetic number, because the mean of its divisors is an integer number (9618048).

Almost surely, 2^55904811 is an apocalyptic number.

55904811 is a deficient number, since it is larger than the sum of its proper divisors (21039573).

55904811 is a wasteful number, since it uses less digits than its factorization.

55904811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601161.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 55904811 is about 7476.9519859365. The cubic root of 55904811 is about 382.3693397970.

It can be divided in two parts, 5590 and 4811, that added together give a palindrome (10401).

The spelling of 55904811 in words is "fifty-five million, nine hundred four thousand, eight hundred eleven".