53477377 has 4 divisors (see below), whose sum is σ = 53530180. Its totient is φ = 53424576.

The previous prime is 53477357. The next prime is 53477453. The reversal of 53477377 is 77377435.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43243776 + 10233601 = 6576^2 + 3199^2 .

It is a cyclic number.

It is not a de Polignac number, because 53477377 - 2¹⁵ = 53444609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53477357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24852 + ... + 26917.

It is an arithmetic number, because the mean of its divisors is an integer number (13382545).

It is a Proth number, since it is equal to 51 ⋅ 2²⁰ + 1 and 51 < 2²⁰.

Almost surely, 2^53477377 is an apocalyptic number.

It is an amenable number.

53477377 is a deficient number, since it is larger than the sum of its proper divisors (52803).

53477377 is a wasteful number, since it uses less digits than its factorization.

53477377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52802.

The product of its digits is 432180, while the sum is 43.

The square root of 53477377 is about 7312.8227792009. The cubic root of 53477377 is about 376.7529826289.

The spelling of 53477377 in words is "fifty-three million, four hundred seventy-seven thousand, three hundred seventy-seven".