55157941 has 2 divisors, whose sum is σ = 55157942. Its totient is φ = 55157940.

The previous prime is 55157939. The next prime is 55157987. The reversal of 55157941 is 14975155.

55157941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31877316 + 23280625 = 5646^2 + 4825^2 .

It is a cyclic number.

It is not a de Polignac number, because 55157941 - 2¹ = 55157939 is a prime.

Together with 55157939, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55157941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55157041) 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, 27578970 + 27578971.

It is an arithmetic number, because the mean of its divisors is an integer number (27578971).

Almost surely, 2^55157941 is an apocalyptic number.

It is an amenable number.

55157941 is a deficient number, since it is larger than the sum of its proper divisors (1).

55157941 is an equidigital number, since it uses as much as digits as its factorization.

55157941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31500, while the sum is 37.

The square root of 55157941 is about 7426.8392334828. The cubic root of 55157941 is about 380.6589237031.

It can be divided in two parts, 5515 and 7941, that added together give a square (13456 = 116²).

The spelling of 55157941 in words is "fifty-five million, one hundred fifty-seven thousand, nine hundred forty-one".