55034387 has 2 divisors, whose sum is σ = 55034388. Its totient is φ = 55034386.

The previous prime is 55034347. The next prime is 55034411. The reversal of 55034387 is 78343055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55034387 - 2¹² = 55030291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55034327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27517193 + 27517194.

It is an arithmetic number, because the mean of its divisors is an integer number (27517194).

Almost surely, 2^55034387 is an apocalyptic number.

55034387 is a deficient number, since it is larger than the sum of its proper divisors (1).

55034387 is an equidigital number, since it uses as much as digits as its factorization.

55034387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 55034387 is about 7418.5164959040. The cubic root of 55034387 is about 380.3744853986.

The spelling of 55034387 in words is "fifty-five million, thirty-four thousand, three hundred eighty-seven".