1053707540 has 12 divisors (see below), whose sum is σ = 2212785876. Its totient is φ = 421483008.

The previous prime is 1053707537. The next prime is 1053707563. The reversal of 1053707540 is 457073501.

It can be written as a sum of positive squares in 2 ways, for example, as 106791556 + 946915984 = 10334^2 + 30772^2 .

It is a super-2 number, since 2×1053707540² = 2220599159705703200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053707497 and 1053707506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26342669 + ... + 26342708.

It is an arithmetic number, because the mean of its divisors is an integer number (184398823).

Almost surely, 2^1053707540 is an apocalyptic number.

1053707540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053707540 is an abundant number, since it is smaller than the sum of its proper divisors (1159078336).

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

1053707540 is a wasteful number, since it uses less digits than its factorization.

1053707540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52685386 (or 52685384 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 1053707540 is about 32460.8616644722. The cubic root of 1053707540 is about 1017.5912468200.

The spelling of 1053707540 in words is "one billion, fifty-three million, seven hundred seven thousand, five hundred forty".