1055491612 has 24 divisors (see below), whose sum is σ = 2131889760. Its totient is φ = 447873600.

The previous prime is 1055491607. The next prime is 1055491621. The reversal of 1055491612 is 2161945501.

It is a happy number.

It is a super-2 number, since 2×1055491612² = 2228125086004717088, which contains 22 as substring.

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, 183787 + ... + 189442.

It is an arithmetic number, because the mean of its divisors is an integer number (88828740).

Almost surely, 2^1055491612 is an apocalyptic number.

It is an amenable number.

1055491612 is an abundant number, since it is smaller than the sum of its proper divisors (1076398148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055491612 is a wasteful number, since it uses less digits than its factorization.

1055491612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373341 (or 373339 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 1055491612 is about 32488.3303972365. The cubic root of 1055491612 is about 1018.1652303778.

The spelling of 1055491612 in words is "one billion, fifty-five million, four hundred ninety-one thousand, six hundred twelve".