53017408 has 14 divisors (see below), whose sum is σ = 105206546. Its totient is φ = 26508672.

The previous prime is 53017399. The next prime is 53017417. The reversal of 53017408 is 80471035.

It is an interprime number because it is at equal distance from previous prime (53017399) and next prime (53017417).

It can be written as a sum of positive squares in only one way, i.e., 52881984 + 135424 = 7272^2 + 368^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414135 + ... + 414262.

Almost surely, 2^53017408 is an apocalyptic number.

It is an amenable number.

53017408 is a deficient number, since it is larger than the sum of its proper divisors (52189138).

53017408 is an equidigital number, since it uses as much as digits as its factorization.

53017408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828409 (or 828399 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 53017408 is about 7281.3053774718. The cubic root of 53017408 is about 375.6696963432.

The spelling of 53017408 in words is "fifty-three million, seventeen thousand, four hundred eight".