53240426 has 8 divisors (see below), whose sum is σ = 80302404. Its totient is φ = 26472960.

The previous prime is 53240419. The next prime is 53240431. The reversal of 53240426 is 62404235.

It can be written as a sum of positive squares in 2 ways, for example, as 37834801 + 15405625 = 6151^2 + 3925^2 .

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

It is a super-2 number, since 2×53240426² = 5669085921322952, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53240395 and 53240404.

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, 73175 + ... + 73898.

Almost surely, 2^53240426 is an apocalyptic number.

53240426 is a deficient number, since it is larger than the sum of its proper divisors (27061978).

53240426 is a wasteful number, since it uses less digits than its factorization.

53240426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147256.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 53240426 is about 7296.6037305037. The cubic root of 53240426 is about 376.1957116405.

The spelling of 53240426 in words is "fifty-three million, two hundred forty thousand, four hundred twenty-six".