1406553056 has 12 divisors (see below), whose sum is σ = 2769151392. Its totient is φ = 703276512.

The previous prime is 1406553023. The next prime is 1406553079. The reversal of 1406553056 is 6503556041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21977360 + ... + 21977423.

It is an arithmetic number, because the mean of its divisors is an integer number (230762616).

Almost surely, 2^1406553056 is an apocalyptic number.

1406553056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1406553056 is a deficient number, since it is larger than the sum of its proper divisors (1362598336).

1406553056 is an equidigital number, since it uses as much as digits as its factorization.

1406553056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43954793 (or 43954785 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 1406553056 is about 37504.0405289883. The cubic root of 1406553056 is about 1120.4316618421.

The spelling of 1406553056 in words is "one billion, four hundred six million, five hundred fifty-three thousand, fifty-six".