53573239 has 16 divisors (see below), whose sum is σ = 59581440. Its totient is φ = 47940480.

The previous prime is 53573209. The next prime is 53573243. The reversal of 53573239 is 93237535.

It is a cyclic number.

It is not a de Polignac number, because 53573239 - 2¹⁵ = 53540471 is a prime.

It is a super-2 number, since 2×53573239² = 5740183873902242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53573198 and 53573207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53573209) 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, 30232 + ... + 31954.

It is an arithmetic number, because the mean of its divisors is an integer number (3723840).

Almost surely, 2^53573239 is an apocalyptic number.

53573239 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

53573239 is a deficient number, since it is larger than the sum of its proper divisors (6008201).

53573239 is a wasteful number, since it uses less digits than its factorization.

53573239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830.

The product of its digits is 85050, while the sum is 37.

The square root of 53573239 is about 7319.3742218854. The cubic root of 53573239 is about 376.9779670838.

The spelling of 53573239 in words is "fifty-three million, five hundred seventy-three thousand, two hundred thirty-nine".