53402337 has 6 divisors (see below), whose sum is σ = 77136722. Its totient is φ = 35601552.

The previous prime is 53402333. The next prime is 53402381. The reversal of 53402337 is 73320435.

It can be written as a sum of positive squares in only one way, i.e., 53012961 + 389376 = 7281^2 + 624^2 .

It is not a de Polignac number, because 53402337 - 2² = 53402333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53402337.

It is not an unprimeable number, because it can be changed into a prime (53402333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2966788 + ... + 2966805.

Almost surely, 2^53402337 is an apocalyptic number.

It is an amenable number.

53402337 is a deficient number, since it is larger than the sum of its proper divisors (23734385).

53402337 is a wasteful number, since it uses less digits than its factorization.

53402337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933599 (or 5933596 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 53402337 is about 7307.6902643722. The cubic root of 53402337 is about 376.5766789321.

The spelling of 53402337 in words is "fifty-three million, four hundred two thousand, three hundred thirty-seven".