1503400055 has 8 divisors (see below), whose sum is σ = 1809281232. Its totient is φ = 1199252608.

The previous prime is 1503400039. The next prime is 1503400091. The reversal of 1503400055 is 5500043051.

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 1503400055 - 2⁴ = 1503400039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1503400055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431522 + ... + 434991.

It is an arithmetic number, because the mean of its divisors is an integer number (226160154).

Almost surely, 2^1503400055 is an apocalyptic number.

1503400055 is a deficient number, since it is larger than the sum of its proper divisors (305881177).

1503400055 is an equidigital number, since it uses as much as digits as its factorization.

1503400055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866865.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 1503400055 is about 38773.7031375648. The cubic root of 1503400055 is about 1145.5784990739.

The spelling of 1503400055 in words is "one billion, five hundred three million, four hundred thousand, fifty-five".