55418571 has 24 divisors (see below), whose sum is σ = 86582496. Its totient is φ = 33955200.

The previous prime is 55418537. The next prime is 55418651. The reversal of 55418571 is 17581455.

It is not a de Polignac number, because 55418571 - 2¹¹ = 55416523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55418501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29871 + ... + 31671.

It is an arithmetic number, because the mean of its divisors is an integer number (3607604).

Almost surely, 2^55418571 is an apocalyptic number.

55418571 is a deficient number, since it is larger than the sum of its proper divisors (31163925).

55418571 is a wasteful number, since it uses less digits than its factorization.

55418571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 2080 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 55418571 is about 7444.3650501571. The cubic root of 55418571 is about 381.2575397237.

The spelling of 55418571 in words is "fifty-five million, four hundred eighteen thousand, five hundred seventy-one".