53398377 has 24 divisors (see below), whose sum is σ = 81960840. Its totient is φ = 33384960.

The previous prime is 53398361. The next prime is 53398409. The reversal of 53398377 is 77389335.

It can be written as a sum of positive squares in 4 ways, for example, as 2547216 + 50851161 = 1596^2 + 7131^2 .

It is not a de Polignac number, because 53398377 - 2⁴ = 53398361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53398327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63999 + ... + 64827.

It is an arithmetic number, because the mean of its divisors is an integer number (3415035).

Almost surely, 2^53398377 is an apocalyptic number.

It is an amenable number.

53398377 is a deficient number, since it is larger than the sum of its proper divisors (28562463).

53398377 is a wasteful number, since it uses less digits than its factorization.

53398377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1270 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 53398377 is about 7307.4193119049. The cubic root of 53398377 is about 376.5673704724.

The spelling of 53398377 in words is "fifty-three million, three hundred ninety-eight thousand, three hundred seventy-seven".