53949842 has 8 divisors (see below), whose sum is σ = 81834300. Its totient is φ = 26671744.

The previous prime is 53949839. The next prime is 53949853. The reversal of 53949842 is 24894935.

It can be written as a sum of positive squares in 2 ways, for example, as 44209201 + 9740641 = 6649^2 + 3121^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 53949793 and 53949802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151367 + ... + 151722.

Almost surely, 2^53949842 is an apocalyptic number.

53949842 is a deficient number, since it is larger than the sum of its proper divisors (27884458).

53949842 is a wasteful number, since it uses less digits than its factorization.

53949842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303180.

The product of its digits is 311040, while the sum is 44.

The square root of 53949842 is about 7345.0556158548. The cubic root of 53949842 is about 377.8592507158.

The spelling of 53949842 in words is "fifty-three million, nine hundred forty-nine thousand, eight hundred forty-two".