2052554986 has 4 divisors (see below), whose sum is σ = 3078832482. Its totient is φ = 1026277492.

The previous prime is 2052554921. The next prime is 2052554989. The reversal of 2052554986 is 6894552502.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6894552502 = 2 ⋅3447276251.

It can be written as a sum of positive squares in only one way, i.e., 1300972761 + 751582225 = 36069^2 + 27415^2 .

It is not an unprimeable number, because it can be changed into a prime (2052554989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513138745 + ... + 513138748.

Almost surely, 2^2052554986 is an apocalyptic number.

2052554986 is a deficient number, since it is larger than the sum of its proper divisors (1026277496).

2052554986 is a wasteful number, since it uses less digits than its factorization.

2052554986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026277495.

The product of its (nonzero) digits is 864000, while the sum is 46.

The square root of 2052554986 is about 45305.1320051051. The cubic root of 2052554986 is about 1270.8616274638.

The spelling of 2052554986 in words is "two billion, fifty-two million, five hundred fifty-four thousand, nine hundred eighty-six".