2053550420 has 24 divisors (see below), whose sum is σ = 4352763744. Its totient is φ = 813742496.

The previous prime is 2053550417. The next prime is 2053550437. The reversal of 2053550420 is 240553502.

It is a self number, because there is not a number n which added to its sum of digits gives 2053550420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477662 + ... + 481941.

It is an arithmetic number, because the mean of its divisors is an integer number (181365156).

Almost surely, 2^2053550420 is an apocalyptic number.

2053550420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2053550420 is an abundant number, since it is smaller than the sum of its proper divisors (2299213324).

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

2053550420 is a wasteful number, since it uses less digits than its factorization.

2053550420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959719 (or 959717 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 2053550420 is about 45316.1165591228. The cubic root of 2053550420 is about 1271.0670388382.

The spelling of 2053550420 in words is "two billion, fifty-three million, five hundred fifty thousand, four hundred twenty".