55778502603 has 8 divisors (see below), whose sum is σ = 76185272016. Its totient is φ = 36278700800.

The previous prime is 55778502553. The next prime is 55778502641. The reversal of 55778502603 is 30620587755.

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 55778502603 - 2⁶ = 55778502539 is a prime.

It is a super-2 number, since 2×55778502603² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55778502653) 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, 226741758 + ... + 226742003.

It is an arithmetic number, because the mean of its divisors is an integer number (9523159002).

Almost surely, 2^55778502603 is an apocalyptic number.

55778502603 is a deficient number, since it is larger than the sum of its proper divisors (20406769413).

55778502603 is a wasteful number, since it uses less digits than its factorization.

55778502603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453483805.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 55778502603 in words is "fifty-five billion, seven hundred seventy-eight million, five hundred two thousand, six hundred three".