53454621 has 8 divisors (see below), whose sum is σ = 77752224. Its totient is φ = 32396720.

The previous prime is 53454617. The next prime is 53454637. The reversal of 53454621 is 12645435.

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 53454621 - 2² = 53454617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53454421) 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, 809886 + ... + 809951.

It is an arithmetic number, because the mean of its divisors is an integer number (9719028).

Almost surely, 2^53454621 is an apocalyptic number.

It is an amenable number.

53454621 is a deficient number, since it is larger than the sum of its proper divisors (24297603).

53454621 is a wasteful number, since it uses less digits than its factorization.

53454621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619851.

The product of its digits is 14400, while the sum is 30.

The square root of 53454621 is about 7311.2667165136. The cubic root of 53454621 is about 376.6995356842.

It can be divided in two parts, 534 and 54621, that added together give a palindrome (55155).

The spelling of 53454621 in words is "fifty-three million, four hundred fifty-four thousand, six hundred twenty-one".