55754947 has 2 divisors, whose sum is σ = 55754948. Its totient is φ = 55754946.

The previous prime is 55754927. The next prime is 55754953. The reversal of 55754947 is 74945755.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55754947 is a prime.

It is a super-2 number, since 2×55754947² = 6217228229945618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55754897 and 55754906.

It is not a weakly prime, because it can be changed into another prime (55754927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27877473 + 27877474.

It is an arithmetic number, because the mean of its divisors is an integer number (27877474).

Almost surely, 2^55754947 is an apocalyptic number.

55754947 is a deficient number, since it is larger than the sum of its proper divisors (1).

55754947 is an equidigital number, since it uses as much as digits as its factorization.

55754947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882000, while the sum is 46.

The square root of 55754947 is about 7466.9235298080. The cubic root of 55754947 is about 382.0273615992.

The spelling of 55754947 in words is "fifty-five million, seven hundred fifty-four thousand, nine hundred forty-seven".