53421377 has 8 divisors (see below), whose sum is σ = 55055616. Its totient is φ = 51797232.

The previous prime is 53421353. The next prime is 53421391. The reversal of 53421377 is 77312435.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53421377 is a prime.

It is a super-2 number, since 2×53421377² = 5707687041152258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53421397) 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, 9008 + ... + 13710.

It is an arithmetic number, because the mean of its divisors is an integer number (6881952).

Almost surely, 2^53421377 is an apocalyptic number.

It is an amenable number.

53421377 is a deficient number, since it is larger than the sum of its proper divisors (1634239).

53421377 is a wasteful number, since it uses less digits than its factorization.

53421377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5047.

The product of its digits is 17640, while the sum is 32.

The square root of 53421377 is about 7308.9928854802. The cubic root of 53421377 is about 376.6214283346.

The spelling of 53421377 in words is "fifty-three million, four hundred twenty-one thousand, three hundred seventy-seven".