55641003 has 12 divisors (see below), whose sum is σ = 81546024. Its totient is φ = 33721600.

The previous prime is 55640999. The next prime is 55641013. The reversal of 55641003 is 30014655.

It is not a de Polignac number, because 55641003 - 2² = 55640999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55641013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76278 + ... + 77003.

It is an arithmetic number, because the mean of its divisors is an integer number (6795502).

Almost surely, 2^55641003 is an apocalyptic number.

55641003 is a deficient number, since it is larger than the sum of its proper divisors (25905021).

55641003 is a wasteful number, since it uses less digits than its factorization.

55641003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153306 (or 153295 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 55641003 is about 7459.2897114940. The cubic root of 55641003 is about 381.7669397890.

Adding to 55641003 its reverse (30014655), we get a palindrome (85655658).

The spelling of 55641003 in words is "fifty-five million, six hundred forty-one thousand, three".