53778341 has 4 divisors (see below), whose sum is σ = 56608800. Its totient is φ = 50947884.

The previous prime is 53778331. The next prime is 53778349. The reversal of 53778341 is 14387735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14387735 = 5 ⋅2877547.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53778341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53778295 and 53778304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53778349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415201 + ... + 1415238.

It is an arithmetic number, because the mean of its divisors is an integer number (14152200).

Almost surely, 2^53778341 is an apocalyptic number.

It is an amenable number.

53778341 is a deficient number, since it is larger than the sum of its proper divisors (2830459).

53778341 is a wasteful number, since it uses less digits than its factorization.

53778341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830458.

The product of its digits is 70560, while the sum is 38.

The square root of 53778341 is about 7333.3717347479. The cubic root of 53778341 is about 377.4584337959.

It can be divided in two parts, 537783 and 41, that added together give a 5-th power (537824 = 14⁵).

The spelling of 53778341 in words is "fifty-three million, seven hundred seventy-eight thousand, three hundred forty-one".