53225645 has 8 divisors (see below), whose sum is σ = 69677280. Its totient is φ = 38709520.

The previous prime is 53225639. The next prime is 53225651. The reversal of 53225645 is 54652235.

It is an interprime number because it is at equal distance from previous prime (53225639) and next prime (53225651).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53225645 - 2¹⁶ = 53160109 is a prime.

It is a super-3 number, since 3×53225645³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483815 + ... + 483924.

It is an arithmetic number, because the mean of its divisors is an integer number (8709660).

Almost surely, 2^53225645 is an apocalyptic number.

53225645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53225645 is a deficient number, since it is larger than the sum of its proper divisors (16451635).

53225645 is a wasteful number, since it uses less digits than its factorization.

53225645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967755.

The product of its digits is 36000, while the sum is 32.

The square root of 53225645 is about 7295.5907917043. The cubic root of 53225645 is about 376.1608943416.

The spelling of 53225645 in words is "fifty-three million, two hundred twenty-five thousand, six hundred forty-five".