55603471 has 8 divisors (see below), whose sum is σ = 69323904. Its totient is φ = 43327320.

The previous prime is 55603463. The next prime is 55603477. The reversal of 55603471 is 17430655.

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

It is a cyclic number.

It is not a de Polignac number, because 55603471 - 2³ = 55603463 is a prime.

It is a super-3 number, since 3×55603471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55603477) 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, 360985 + ... + 361138.

It is an arithmetic number, because the mean of its divisors is an integer number (8665488).

Almost surely, 2^55603471 is an apocalyptic number.

55603471 is a deficient number, since it is larger than the sum of its proper divisors (13720433).

55603471 is a wasteful number, since it uses less digits than its factorization.

55603471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722141.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 55603471 is about 7456.7734979681. The cubic root of 55603471 is about 381.6810816453.

The spelling of 55603471 in words is "fifty-five million, six hundred three thousand, four hundred seventy-one".