53251977 has 8 divisors (see below), whose sum is σ = 71273664. Its totient is φ = 35365808.

The previous prime is 53251949. The next prime is 53251997. The reversal of 53251977 is 77915235.

53251977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53251977 - 2²³ = 44863369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53251997) 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 7 ways as a sum of consecutive naturals, for example, 32958 + ... + 34535.

It is an arithmetic number, because the mean of its divisors is an integer number (8909208).

Almost surely, 2^53251977 is an apocalyptic number.

It is an amenable number.

53251977 is a deficient number, since it is larger than the sum of its proper divisors (18021687).

53251977 is a wasteful number, since it uses less digits than its factorization.

53251977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67759.

The product of its digits is 66150, while the sum is 39.

The square root of 53251977 is about 7297.3952202139. The cubic root of 53251977 is about 376.2229160462. Note that the first 3 decimals are identical.

The spelling of 53251977 in words is "fifty-three million, two hundred fifty-one thousand, nine hundred seventy-seven".