1049513556 has 288 divisors, whose sum is σ = 3271876608. Its totient is φ = 259096320.

The previous prime is 1049513537. The next prime is 1049513573. The reversal of 1049513556 is 6553159401.

It is a happy number.

It is a super-2 number, since 2×1049513556² = 2202957408455530272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10189401 + ... + 10189503.

Almost surely, 2^1049513556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1049513556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1635938304).

1049513556 is an abundant number, since it is smaller than the sum of its proper divisors (2222363052).

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

1049513556 is a wasteful number, since it uses less digits than its factorization.

1049513556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 1049513556 is about 32396.1966286168. The cubic root of 1049513556 is about 1016.2393738686.

It can be divided in two parts, 1049 and 513556, that added together give a triangular number (514605 = T₁₀₁₄).

The spelling of 1049513556 in words is "one billion, forty-nine million, five hundred thirteen thousand, five hundred fifty-six".