53910945 has 36 divisors (see below), whose sum is σ = 102723348. Its totient is φ = 26136000.

The previous prime is 53910931. The next prime is 53910959. The reversal of 53910945 is 54901935.

It is an interprime number because it is at equal distance from previous prime (53910931) and next prime (53910959).

It can be written as a sum of positive squares in 2 ways, for example, as 38489616 + 15421329 = 6204^2 + 3927^2 .

It is not a de Polignac number, because 53910945 - 2⁴ = 53910929 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 495 + ... + 10395.

Almost surely, 2^53910945 is an apocalyptic number.

53910945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53910945 is a deficient number, since it is larger than the sum of its proper divisors (48812403).

53910945 is a wasteful number, since it uses less digits than its factorization.

53910945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9934 (or 9920 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 53910945 is about 7342.4073027856. The cubic root of 53910945 is about 377.7684186615.

The spelling of 53910945 in words is "fifty-three million, nine hundred ten thousand, nine hundred forty-five".