55154377 has 2 divisors, whose sum is σ = 55154378. Its totient is φ = 55154376.

The previous prime is 55154357. The next prime is 55154381. The reversal of 55154377 is 77345155.

55154377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38800441 + 16353936 = 6229^2 + 4044^2 .

It is a cyclic number.

It is not a de Polignac number, because 55154377 - 2¹⁵ = 55121609 is a prime.

It is a super-3 number, since 3×55154377³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (55154357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27577188 + 27577189.

It is an arithmetic number, because the mean of its divisors is an integer number (27577189).

Almost surely, 2^55154377 is an apocalyptic number.

It is an amenable number.

55154377 is a deficient number, since it is larger than the sum of its proper divisors (1).

55154377 is an equidigital number, since it uses as much as digits as its factorization.

55154377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73500, while the sum is 37.

The square root of 55154377 is about 7426.5992890421. The cubic root of 55154377 is about 380.6507248376.

The spelling of 55154377 in words is "fifty-five million, one hundred fifty-four thousand, three hundred seventy-seven".