1053949860 has 48 divisors (see below), whose sum is σ = 3278956800. Its totient is φ = 281053152.

The previous prime is 1053949789. The next prime is 1053949913. The reversal of 1053949860 is 689493501.

It is a happy number.

1053949860 is a `hidden beast` number, since 10 + 539 + 49 + 8 + 60 = 666.

It is a super-2 number, since 2×1053949860² = 2221620614788039200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975340 + ... + 976419.

It is an arithmetic number, because the mean of its divisors is an integer number (68311600).

Almost surely, 2^1053949860 is an apocalyptic number.

1053949860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053949860 is an abundant number, since it is smaller than the sum of its proper divisors (2225006940).

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

1053949860 is a wasteful number, since it uses less digits than its factorization.

1053949860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951777 (or 1951769 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1053949860 is about 32464.5939447885. The cubic root of 1053949860 is about 1017.6692456327.

The spelling of 1053949860 in words is "one billion, fifty-three million, nine hundred forty-nine thousand, eight hundred sixty".