55056471 has 24 divisors (see below), whose sum is σ = 80192880. Its totient is φ = 33554304.

The previous prime is 55056451. The next prime is 55056479. The reversal of 55056471 is 17465055.

It is not a de Polignac number, because 55056471 - 2¹⁰ = 55055447 is a prime.

It is a super-3 number, since 3×55056471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55056479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30531 + ... + 32283.

It is an arithmetic number, because the mean of its divisors is an integer number (3341370).

Almost surely, 2^55056471 is an apocalyptic number.

55056471 is a deficient number, since it is larger than the sum of its proper divisors (25136409).

55056471 is a wasteful number, since it uses less digits than its factorization.

55056471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 55056471 is about 7420.0047843650. The cubic root of 55056471 is about 380.4253570278.

The spelling of 55056471 in words is "fifty-five million, fifty-six thousand, four hundred seventy-one".