2151700054 has 16 divisors (see below), whose sum is σ = 3763908000. Its totient is φ = 922156872.

The previous prime is 2151700043. The next prime is 2151700069. The reversal of 2151700054 is 4500071512.

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, 1567609 + ... + 1568980.

It is an arithmetic number, because the mean of its divisors is an integer number (235244250).

Almost surely, 2^2151700054 is an apocalyptic number.

2151700054 is a deficient number, since it is larger than the sum of its proper divisors (1612207946).

2151700054 is an equidigital number, since it uses as much as digits as its factorization.

2151700054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136612 (or 3136598 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 2151700054 is about 46386.4210087392. The cubic root of 2151700054 is about 1291.0029765675.

Adding to 2151700054 its reverse (4500071512), we get a palindrome (6651771566).

The spelling of 2151700054 in words is "two billion, one hundred fifty-one million, seven hundred thousand, fifty-four".