55020411 has 8 divisors (see below), whose sum is σ = 81511760. Its totient is φ = 36680256.

The previous prime is 55020403. The next prime is 55020461. The reversal of 55020411 is 11402055.

It is not a de Polignac number, because 55020411 - 2³ = 55020403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55020461) 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, 1018870 + ... + 1018923.

It is an arithmetic number, because the mean of its divisors is an integer number (10188970).

Almost surely, 2^55020411 is an apocalyptic number.

55020411 is a deficient number, since it is larger than the sum of its proper divisors (26491349).

55020411 is a wasteful number, since it uses less digits than its factorization.

55020411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037802 (or 2037796 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 55020411 is about 7417.5744687869. The cubic root of 55020411 is about 380.3422839322.

Adding to 55020411 its reverse (11402055), we get a palindrome (66422466).

The spelling of 55020411 in words is "fifty-five million, twenty thousand, four hundred eleven".