53977 has 8 divisors (see below), whose sum is σ = 67392. Its totient is φ = 42000.

The previous prime is 53959. The next prime is 53987. The reversal of 53977 is 77935.

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

It is not a de Polignac number, because 53977 - 2⁷ = 53849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53917) 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, 274 + ... + 427.

It is an arithmetic number, because the mean of its divisors is an integer number (8424).

2⁵³⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

53977 is a deficient number, since it is larger than the sum of its proper divisors (13415).

53977 is a wasteful number, since it uses less digits than its factorization.

53977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719.

The product of its digits is 6615, while the sum is 31.

The square root of 53977 is about 232.3295073812. The cubic root of 53977 is about 37.7922644044.

It can be divided in two parts, 539 and 77, that added together give a palindrome (616).

The spelling of 53977 in words is "fifty-three thousand, nine hundred seventy-seven".