51052154 has 4 divisors (see below), whose sum is σ = 76578234. Its totient is φ = 25526076.

The previous prime is 51052147. The next prime is 51052163. The reversal of 51052154 is 45125015.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33953929 + 17098225 = 5827^2 + 4135^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12763037 + ... + 12763040.

Almost surely, 2^51052154 is an apocalyptic number.

51052154 is a deficient number, since it is larger than the sum of its proper divisors (25526080).

51052154 is a wasteful number, since it uses less digits than its factorization.

51052154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25526079.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 51052154 is about 7145.0790058613. The cubic root of 51052154 is about 370.9693452632.

Adding to 51052154 its reverse (45125015), we get a palindrome (96177169).

The spelling of 51052154 in words is "fifty-one million, fifty-two thousand, one hundred fifty-four".