52776251 has 8 divisors (see below), whose sum is σ = 57729024. Its totient is φ = 47849320.

The previous prime is 52776233. The next prime is 52776257. The reversal of 52776251 is 15267725.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52776251 - 2¹⁴ = 52759867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52776257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2051 + ... + 10476.

It is an arithmetic number, because the mean of its divisors is an integer number (7216128).

Almost surely, 2^52776251 is an apocalyptic number.

52776251 is a deficient number, since it is larger than the sum of its proper divisors (4952773).

52776251 is a wasteful number, since it uses less digits than its factorization.

52776251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12921.

The product of its digits is 29400, while the sum is 35.

The square root of 52776251 is about 7264.7264917545. The cubic root of 52776251 is about 375.0992353669.

The spelling of 52776251 in words is "fifty-two million, seven hundred seventy-six thousand, two hundred fifty-one".