54620431 has 2 divisors, whose sum is σ = 54620432. Its totient is φ = 54620430.

The previous prime is 54620429. The next prime is 54620441. The reversal of 54620431 is 13402645.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54620431 - 2¹ = 54620429 is a prime.

It is a super-2 number, since 2×54620431² = 5966782965251522, which contains 22 as substring.

Together with 54620429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 54620396 and 54620405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54620411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27310215 + 27310216.

It is an arithmetic number, because the mean of its divisors is an integer number (27310216).

Almost surely, 2^54620431 is an apocalyptic number.

54620431 is a deficient number, since it is larger than the sum of its proper divisors (1).

54620431 is an equidigital number, since it uses as much as digits as its factorization.

54620431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 54620431 is about 7390.5636456227. The cubic root of 54620431 is about 379.4183877325.

The spelling of 54620431 in words is "fifty-four million, six hundred twenty thousand, four hundred thirty-one".