53959340 has 24 divisors (see below), whose sum is σ = 113546832. Its totient is φ = 21539520.

The previous prime is 53959333. The next prime is 53959387. The reversal of 53959340 is 4395935.

It is a super-2 number, since 2×53959340² = 5823220746471200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53959294 and 53959303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8327 + ... + 13313.

It is an arithmetic number, because the mean of its divisors is an integer number (4731118).

Almost surely, 2^53959340 is an apocalyptic number.

It is an amenable number.

53959340 is an abundant number, since it is smaller than the sum of its proper divisors (59587492).

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

53959340 is a wasteful number, since it uses less digits than its factorization.

53959340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537 (or 5535 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 53959340 is about 7345.7021447919. The cubic root of 53959340 is about 377.8814237593.

The spelling of 53959340 in words is "fifty-three million, nine hundred fifty-nine thousand, three hundred forty".