1053506840 has 16 divisors (see below), whose sum is σ = 2370390480. Its totient is φ = 421402720.

The previous prime is 1053506807. The next prime is 1053506843. The reversal of 1053506840 is 486053501.

It is a happy number.

It is a super-2 number, since 2×1053506840² = 2219753323853571200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053506797 and 1053506806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053506843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13168796 + ... + 13168875.

It is an arithmetic number, because the mean of its divisors is an integer number (148149405).

Almost surely, 2^1053506840 is an apocalyptic number.

1053506840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053506840 is an abundant number, since it is smaller than the sum of its proper divisors (1316883640).

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

1053506840 is a wasteful number, since it uses less digits than its factorization.

1053506840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26337682 (or 26337678 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1053506840 is about 32457.7701020880. The cubic root of 1053506840 is about 1017.5266357448.

The spelling of 1053506840 in words is "one billion, fifty-three million, five hundred six thousand, eight hundred forty".