53478342 has 12 divisors (see below), whose sum is σ = 115869780. Its totient is φ = 17826108.

The previous prime is 53478323. The next prime is 53478419. The reversal of 53478342 is 24387435.

It is a happy number.

53478342 is a `hidden beast` number, since 534 + 7 + 83 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 53478297 and 53478306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1485492 + ... + 1485527.

It is an arithmetic number, because the mean of its divisors is an integer number (9655815).

Almost surely, 2^53478342 is an apocalyptic number.

53478342 is an abundant number, since it is smaller than the sum of its proper divisors (62391438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53478342 is a wasteful number, since it uses less digits than its factorization.

53478342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971027 (or 2971024 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 53478342 is about 7312.8887588969. Note that the first 3 decimals coincide. The cubic root of 53478342 is about 376.7552487862.

It can be divided in two parts, 5347 and 8342, that added together give a square (13689 = 117²).

The spelling of 53478342 in words is "fifty-three million, four hundred seventy-eight thousand, three hundred forty-two".