1050400555 has 4 divisors (see below), whose sum is σ = 1260480672. Its totient is φ = 840320440.

The previous prime is 1050400553. The next prime is 1050400583. The reversal of 1050400555 is 5550040501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5550040501 = 1511 ⋅3673091.

It is not a de Polignac number, because 1050400555 - 2¹ = 1050400553 is a prime.

It is a super-2 number, since 2×1050400555² = 2206682651888616050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050400553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105040051 + ... + 105040060.

It is an arithmetic number, because the mean of its divisors is an integer number (315120168).

Almost surely, 2^1050400555 is an apocalyptic number.

1050400555 is a deficient number, since it is larger than the sum of its proper divisors (210080117).

1050400555 is an equidigital number, since it uses as much as digits as its factorization.

1050400555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210080116.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 1050400555 is about 32409.8836005315. The cubic root of 1050400555 is about 1016.5255856669.

The spelling of 1050400555 in words is "one billion, fifty million, four hundred thousand, five hundred fifty-five".