1055137556 has 12 divisors (see below), whose sum is σ = 2014353600. Its totient is φ = 479607960.

The previous prime is 1055137519. The next prime is 1055137561. The reversal of 1055137556 is 6557315501.

It is a super-2 number, since 2×1055137556² = 2226630524163306272, 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 3 ways as a sum of consecutive naturals, for example, 11990156 + ... + 11990243.

It is an arithmetic number, because the mean of its divisors is an integer number (167862800).

Almost surely, 2^1055137556 is an apocalyptic number.

It is an amenable number.

1055137556 is a deficient number, since it is larger than the sum of its proper divisors (959216044).

1055137556 is a wasteful number, since it uses less digits than its factorization.

1055137556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23980414 (or 23980412 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 38.

The square root of 1055137556 is about 32482.8809682885. The cubic root of 1055137556 is about 1018.0513725887.

The spelling of 1055137556 in words is "one billion, fifty-five million, one hundred thirty-seven thousand, five hundred fifty-six".