1055653400 has 48 divisors (see below), whose sum is σ = 2463577440. Its totient is φ = 420681600.

The previous prime is 1055653387. The next prime is 1055653421. The reversal of 1055653400 is 43565501.

It is a super-2 number, since 2×1055653400² = 2228808201863120000, 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 11 ways as a sum of consecutive naturals, for example, 44462 + ... + 63938.

It is an arithmetic number, because the mean of its divisors is an integer number (51324530).

Almost surely, 2^1055653400 is an apocalyptic number.

1055653400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055653400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1231788720).

1055653400 is an abundant number, since it is smaller than the sum of its proper divisors (1407924040).

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

1055653400 is a wasteful number, since it uses less digits than its factorization.

1055653400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19764 (or 19755 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1055653400 is about 32490.8202420314. The cubic root of 1055653400 is about 1018.2172498976.

The spelling of 1055653400 in words is "one billion, fifty-five million, six hundred fifty-three thousand, four hundred".