53488873 has 2 divisors, whose sum is σ = 53488874. Its totient is φ = 53488872.

The previous prime is 53488859. The next prime is 53488879. The reversal of 53488873 is 37888435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40615129 + 12873744 = 6373^2 + 3588^2 .

It is a cyclic number.

It is not a de Polignac number, because 53488873 - 2²⁵ = 19934441 is a prime.

It is a super-2 number, since 2×53488873² = 5722119069620258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53488879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26744436 + 26744437.

It is an arithmetic number, because the mean of its divisors is an integer number (26744437).

Almost surely, 2^53488873 is an apocalyptic number.

It is an amenable number.

53488873 is a deficient number, since it is larger than the sum of its proper divisors (1).

53488873 is an equidigital number, since it uses as much as digits as its factorization.

53488873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 46.

The square root of 53488873 is about 7313.6087535498. The cubic root of 53488873 is about 376.7799774830.

The spelling of 53488873 in words is "fifty-three million, four hundred eighty-eight thousand, eight hundred seventy-three".