55540603 has 8 divisors (see below), whose sum is σ = 56060928. Its totient is φ = 55023144.

The previous prime is 55540601. The next prime is 55540613. The reversal of 55540603 is 30604555.

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 55540603 - 2¹ = 55540601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55540601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58176 + ... + 59122.

It is an arithmetic number, because the mean of its divisors is an integer number (7007616).

Almost surely, 2^55540603 is an apocalyptic number.

55540603 is a deficient number, since it is larger than the sum of its proper divisors (520325).

55540603 is a wasteful number, since it uses less digits than its factorization.

55540603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 55540603 is about 7452.5568095788. The cubic root of 55540603 is about 381.5371783062.

The spelling of 55540603 in words is "fifty-five million, five hundred forty thousand, six hundred three".