2455555542 has 32 divisors (see below), whose sum is σ = 5502380544. Its totient is φ = 723996000.

The previous prime is 2455555493. The next prime is 2455555567.

It is a happy number.

2455555542 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2455555494 and 2455555503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500334 + ... + 505217.

It is an arithmetic number, because the mean of its divisors is an integer number (171949392).

Almost surely, 2^2455555542 is an apocalyptic number.

2455555542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2455555542 is an abundant number, since it is smaller than the sum of its proper divisors (3046825002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2455555542 is a wasteful number, since it uses less digits than its factorization.

2455555542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005604.

The product of its digits is 1000000, while the sum is 42.

The square root of 2455555542 is about 49553.5623542849. The cubic root of 2455555542 is about 1349.1179500205.

The spelling of 2455555542 in words is "two billion, four hundred fifty-five million, five hundred fifty-five thousand, five hundred forty-two".