1055636428 has 216 divisors, whose sum is σ = 2635996160. Its totient is φ = 360676800.

The previous prime is 1055636423. The next prime is 1055636441. The reversal of 1055636428 is 8246365501.

It is a super-2 number, since 2×1055636428² = 2228736536241198368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055636423) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 34052773 + ... + 34052803.

Almost surely, 2^1055636428 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 1055636428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1317998080).

1055636428 is an abundant number, since it is smaller than the sum of its proper divisors (1580359732).

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

1055636428 is a wasteful number, since it uses less digits than its factorization.

1055636428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 1055636428 is about 32490.5590595176. The cubic root of 1055636428 is about 1018.2117931584.

The spelling of 1055636428 in words is "one billion, fifty-five million, six hundred thirty-six thousand, four hundred twenty-eight".