400053533 has 8 divisors (see below), whose sum is σ = 436719360. Its totient is φ = 363437280.

The previous prime is 400053491. The next prime is 400053539. The reversal of 400053533 is 335350004.

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

It is a cyclic number.

It is not a de Polignac number, because 400053533 - 2¹⁶ = 399987997 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 400053499 and 400053508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400053539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5633 + ... + 28841.

It is an arithmetic number, because the mean of its divisors is an integer number (54589920).

Almost surely, 2^400053533 is an apocalyptic number.

It is an amenable number.

400053533 is a deficient number, since it is larger than the sum of its proper divisors (36665827).

400053533 is a wasteful number, since it uses less digits than its factorization.

400053533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24787.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 400053533 is about 20001.3382802252. The cubic root of 400053533 is about 736.8391678049.

The spelling of 400053533 in words is "four hundred million, fifty-three thousand, five hundred thirty-three".