2154100052 has 48 divisors (see below), whose sum is σ = 4326400512. Its totient is φ = 930716160.

The previous prime is 2154100051. The next prime is 2154100057. The reversal of 2154100052 is 2500014512.

It is a junction number, because it is equal to n+sod(n) for n = 2154099997 and 2154100033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154100051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37052 + ... + 75372.

It is an arithmetic number, because the mean of its divisors is an integer number (90133344).

Almost surely, 2^2154100052 is an apocalyptic number.

It is an amenable number.

2154100052 is an abundant number, since it is smaller than the sum of its proper divisors (2172300460).

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

2154100052 is a wasteful number, since it uses less digits than its factorization.

2154100052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38408 (or 38406 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2154100052 is about 46412.2834172162. The cubic root of 2154100052 is about 1291.4827914758.

Adding to 2154100052 its reverse (2500014512), we get a palindrome (4654114564).

The spelling of 2154100052 in words is "two billion, one hundred fifty-four million, one hundred thousand, fifty-two".