1055216825 has 48 divisors (see below), whose sum is σ = 1449073920. Its totient is φ = 757486080.

The previous prime is 1055216807. The next prime is 1055216863. The reversal of 1055216825 is 5286125501.

It is not a de Polignac number, because 1055216825 - 2⁶ = 1055216761 is a prime.

It is a super-2 number, since 2×1055216825² = 2226965095526161250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1873994 + ... + 1874556.

It is an arithmetic number, because the mean of its divisors is an integer number (30189040).

Almost surely, 2^1055216825 is an apocalyptic number.

It is an amenable number.

1055216825 is a deficient number, since it is larger than the sum of its proper divisors (393857095).

1055216825 is a wasteful number, since it uses less digits than its factorization.

1055216825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 1055216825 is about 32484.1011111590. The cubic root of 1055216825 is about 1018.0768662295.

The spelling of 1055216825 in words is "one billion, fifty-five million, two hundred sixteen thousand, eight hundred twenty-five".