53098749 has 24 divisors (see below), whose sum is σ = 88077600. Its totient is φ = 30486240.

The previous prime is 53098723. The next prime is 53098763. The reversal of 53098749 is 94789035.

It is not a de Polignac number, because 53098749 - 2¹² = 53094653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53098709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12234 + ... + 15995.

It is an arithmetic number, because the mean of its divisors is an integer number (3669900).

Almost surely, 2^53098749 is an apocalyptic number.

It is an amenable number.

53098749 is a deficient number, since it is larger than the sum of its proper divisors (34978851).

53098749 is a wasteful number, since it uses less digits than its factorization.

53098749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28265 (or 28262 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 53098749 is about 7286.8888422975. Note that the first 4 decimals coincide. The cubic root of 53098749 is about 375.8617196545.

The spelling of 53098749 in words is "fifty-three million, ninety-eight thousand, seven hundred forty-nine".