1053577220 has 24 divisors (see below), whose sum is σ = 2272311384. Its totient is φ = 410040576.

The previous prime is 1053577181. The next prime is 1053577229. The reversal of 1053577220 is 227753501.

It can be written as a sum of positive squares in 4 ways, for example, as 46022656 + 1007554564 = 6784^2 + 31742^2 .

It is a super-2 number, since 2×1053577220² = 2220049917005856800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053577229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711137 + ... + 712616.

It is an arithmetic number, because the mean of its divisors is an integer number (94679641).

Almost surely, 2^1053577220 is an apocalyptic number.

1053577220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053577220 is an abundant number, since it is smaller than the sum of its proper divisors (1218734164).

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

1053577220 is a wasteful number, since it uses less digits than its factorization.

1053577220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423799 (or 1423797 counting only the distinct ones).

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

The square root of 1053577220 is about 32458.8542619730. The cubic root of 1053577220 is about 1017.5492940157.

The spelling of 1053577220 in words is "one billion, fifty-three million, five hundred seventy-seven thousand, two hundred twenty".