1053687400 has 24 divisors (see below), whose sum is σ = 2449823670. Its totient is φ = 421474880.

The previous prime is 1053687379. The next prime is 1053687403. The reversal of 1053687400 is 47863501.

It can be written as a sum of positive squares in 3 ways, for example, as 698967844 + 354719556 = 26438^2 + 18834^2 .

It is a super-2 number, since 2×1053687400² = 2220514273837520000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053687403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2634019 + ... + 2634418.

Almost surely, 2^1053687400 is an apocalyptic number.

1053687400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053687400 is an abundant number, since it is smaller than the sum of its proper divisors (1396136270).

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

1053687400 is a wasteful number, since it uses less digits than its factorization.

1053687400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268453 (or 5268444 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1053687400 is about 32460.5514432519. The cubic root of 1053687400 is about 1017.5847635479.

The spelling of 1053687400 in words is "one billion, fifty-three million, six hundred eighty-seven thousand, four hundred".