1055555612 has 6 divisors (see below), whose sum is σ = 1847222328. Its totient is φ = 527777804.

The previous prime is 1055555597. The next prime is 1055555617. The reversal of 1055555612 is 2165555501.

It is a happy number.

It is a super-2 number, since 2×1055555612² = 2228395300049389088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055555617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131944448 + ... + 131944455.

It is an arithmetic number, because the mean of its divisors is an integer number (307870388).

Almost surely, 2^1055555612 is an apocalyptic number.

It is an amenable number.

1055555612 is a deficient number, since it is larger than the sum of its proper divisors (791666716).

1055555612 is a wasteful number, since it uses less digits than its factorization.

1055555612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263888907 (or 263888905 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 35.

The square root of 1055555612 is about 32489.3153513582. The cubic root of 1055555612 is about 1018.1858088636.

The spelling of 1055555612 in words is "one billion, fifty-five million, five hundred fifty-five thousand, six hundred twelve".