54652421 has 2 divisors, whose sum is σ = 54652422. Its totient is φ = 54652420.

The previous prime is 54652397. The next prime is 54652457. The reversal of 54652421 is 12425645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53728900 + 923521 = 7330^2 + 961^2 .

It is a cyclic number.

It is not a de Polignac number, because 54652421 - 2⁶ = 54652357 is a prime.

It is a super-2 number, since 2×54652421² = 5973774242322482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54652471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27326210 + 27326211.

It is an arithmetic number, because the mean of its divisors is an integer number (27326211).

Almost surely, 2^54652421 is an apocalyptic number.

It is an amenable number.

54652421 is a deficient number, since it is larger than the sum of its proper divisors (1).

54652421 is an equidigital number, since it uses as much as digits as its factorization.

54652421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 29.

The square root of 54652421 is about 7392.7275751241. The cubic root of 54652421 is about 379.4924456457.

The spelling of 54652421 in words is "fifty-four million, six hundred fifty-two thousand, four hundred twenty-one".