53019405 has 24 divisors (see below), whose sum is σ = 96738720. Its totient is φ = 26788320.

The previous prime is 53019401. The next prime is 53019457. The reversal of 53019405 is 50491035.

It is not a de Polignac number, because 53019405 - 2² = 53019401 is a prime.

It is a super-2 number, since 2×53019405² = 5622114613108050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53019401) 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, 30151 + ... + 31860.

It is an arithmetic number, because the mean of its divisors is an integer number (4030780).

Almost surely, 2^53019405 is an apocalyptic number.

It is an amenable number.

53019405 is a deficient number, since it is larger than the sum of its proper divisors (43719315).

53019405 is a wasteful number, since it uses less digits than its factorization.

53019405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62041 (or 62038 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 53019405 is about 7281.4425081848. The cubic root of 53019405 is about 375.6744130517.

It can be divided in two parts, 5301 and 9405, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 53019405 in words is "fifty-three million, nineteen thousand, four hundred five".