2151564054 has 8 divisors (see below), whose sum is σ = 4303128120. Its totient is φ = 717188016.

The previous prime is 2151564007. The next prime is 2151564059. The reversal of 2151564054 is 4504651512.

It is a sphenic number, since it is the product of 3 distinct primes.

2151564054 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151564059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179296999 + ... + 179297010.

It is an arithmetic number, because the mean of its divisors is an integer number (537891015).

Almost surely, 2^2151564054 is an apocalyptic number.

2151564054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2151564054 is a wasteful number, since it uses less digits than its factorization.

2151564054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358594014.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 2151564054 is about 46384.9550393228. The cubic root of 2151564054 is about 1290.9757763538.

The spelling of 2151564054 in words is "two billion, one hundred fifty-one million, five hundred sixty-four thousand, fifty-four".