1055987896 has 8 divisors (see below), whose sum is σ = 1979977320. Its totient is φ = 527993944.

The previous prime is 1055987831. The next prime is 1055987903. The reversal of 1055987896 is 6987895501.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1055987896² = 2230220872997013632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055987896.

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, 65999236 + ... + 65999251.

It is an arithmetic number, because the mean of its divisors is an integer number (247497165).

Almost surely, 2^1055987896 is an apocalyptic number.

It is an amenable number.

1055987896 is a deficient number, since it is larger than the sum of its proper divisors (923989424).

1055987896 is a wasteful number, since it uses less digits than its factorization.

1055987896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131998493 (or 131998489 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 58.

The square root of 1055987896 is about 32495.9673805843. The cubic root of 1055987896 is about 1018.3247831815.

The spelling of 1055987896 in words is "one billion, fifty-five million, nine hundred eighty-seven thousand, eight hundred ninety-six".