53703973 has 16 divisors (see below), whose sum is σ = 56715120. Its totient is φ = 50803200.

The previous prime is 53703971. The next prime is 53703977. The reversal of 53703973 is 37930735.

It can be written as a sum of positive squares in 8 ways, for example, as 1387684 + 52316289 = 1178^2 + 7233^2 .

It is a cyclic number.

It is not a de Polignac number, because 53703973 - 2¹ = 53703971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53703971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272511 + ... + 272707.

It is an arithmetic number, because the mean of its divisors is an integer number (3544695).

Almost surely, 2^53703973 is an apocalyptic number.

It is an amenable number.

53703973 is a deficient number, since it is larger than the sum of its proper divisors (3011147).

53703973 is a wasteful number, since it uses less digits than its factorization.

53703973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 59535, while the sum is 37.

The square root of 53703973 is about 7328.2994616759. The cubic root of 53703973 is about 377.2843626142.

The spelling of 53703973 in words is "fifty-three million, seven hundred three thousand, nine hundred seventy-three".