53019499 has 16 divisors (see below), whose sum is σ = 58189824. Its totient is φ = 48016800.

The previous prime is 53019497. The next prime is 53019503. The reversal of 53019499 is 99491035.

It is not a de Polignac number, because 53019499 - 2¹ = 53019497 is a prime.

It is a super-2 number, since 2×53019499² = 5622134548422002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53019493) 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, 277494 + ... + 277684.

It is an arithmetic number, because the mean of its divisors is an integer number (3636864).

Almost surely, 2^53019499 is an apocalyptic number.

53019499 is a deficient number, since it is larger than the sum of its proper divisors (5170325).

53019499 is a wasteful number, since it uses less digits than its factorization.

53019499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 53019499 is about 7281.4489629469. The cubic root of 53019499 is about 375.6746350671.

The spelling of 53019499 in words is "fifty-three million, nineteen thousand, four hundred ninety-nine".