56021453 has 8 divisors (see below), whose sum is σ = 56606016. Its totient is φ = 55440000.

The previous prime is 56021429. The next prime is 56021461. The reversal of 56021453 is 35412065.

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 56021453 - 2⁸ = 56021197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56021423) 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, 52778 + ... + 53828.

It is an arithmetic number, because the mean of its divisors is an integer number (7075752).

Almost surely, 2^56021453 is an apocalyptic number.

It is an amenable number.

56021453 is a deficient number, since it is larger than the sum of its proper divisors (584563).

56021453 is a wasteful number, since it uses less digits than its factorization.

56021453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 56021453 is about 7484.7480251509. The cubic root of 56021453 is about 382.6350852132.

The spelling of 56021453 in words is "fifty-six million, twenty-one thousand, four hundred fifty-three".