1053547156 has 6 divisors (see below), whose sum is σ = 1843707530. Its totient is φ = 526773576.

The previous prime is 1053547151. The next prime is 1053547189. The reversal of 1053547156 is 6517453501.

It can be written as a sum of positive squares in only one way, i.e., 981568900 + 71978256 = 31330^2 + 8484^2 .

It is a super-2 number, since 2×1053547156² = 2219923219831376672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053547151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131693391 + ... + 131693398.

Almost surely, 2^1053547156 is an apocalyptic number.

It is an amenable number.

1053547156 is a deficient number, since it is larger than the sum of its proper divisors (790160374).

1053547156 is a wasteful number, since it uses less digits than its factorization.

1053547156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263386793 (or 263386791 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 1053547156 is about 32458.3911492853. The cubic root of 1053547156 is about 1017.5396152779.

The spelling of 1053547156 in words is "one billion, fifty-three million, five hundred forty-seven thousand, one hundred fifty-six".